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Authentication Bypass

auth CRITICAL

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications.

How It Works

Authentication bypass attacks exploit flaws in the verification mechanisms that control access to systems and applications. Instead of cracking passwords through brute force, attackers manipulate the authentication process itself to gain unauthorized entry. This typically occurs through one of several pathways: exploiting hardcoded credentials embedded in source code or configuration files, manipulating parameters in authentication requests to skip verification steps, or leveraging broken session management that fails to properly validate user identity.

The attack flow often begins with reconnaissance to identify authentication endpoints and their underlying logic. Attackers may probe for default administrative credentials that were never changed, test whether certain URL paths bypass login requirements entirely, or intercept and modify authentication tokens to escalate privileges. In multi-step authentication processes, flaws in state management can allow attackers to complete only partial verification steps while still gaining full access.

More sophisticated variants exploit single sign-on (SSO) or OAuth implementations where misconfigurations in trust relationships allow attackers to forge authentication assertions. Parameter tampering—such as changing a "role=user" field to "role=admin" in a request—can trick poorly designed systems into granting elevated access without proper verification.

Impact

  • Complete account takeover — attackers gain full control of user accounts, including administrative accounts, without knowing legitimate credentials
  • Unauthorized data access — ability to view, modify, or exfiltrate sensitive information including customer data, financial records, and intellectual property
  • System-wide compromise — admin-level access enables installation of backdoors, modification of security controls, and complete infrastructure takeover
  • Lateral movement — bypassed authentication provides a foothold for moving deeper into networks and accessing additional systems
  • Compliance violations — unauthorized access triggers breach notification requirements and regulatory penalties

Real-World Examples

CrushFTP suffered a critical authentication bypass allowing attackers to access file-sharing functionality without any credentials. The vulnerability enabled direct server-side template injection, leading to remote code execution on affected systems. Attackers actively exploited this in the wild to establish persistent access to enterprise file servers.

Palo Alto's Expedition migration tool contained a flaw permitting attackers to reset administrative credentials without authentication. This allowed complete takeover of the migration environment, potentially exposing network configurations and security policies being transferred between systems.

SolarWinds Web Help Desk (CVE-2024-28987) shipped with hardcoded internal credentials that could not be changed through normal administrative functions. Attackers discovering these credentials gained full administrative access to helpdesk systems containing sensitive organizational information and user data.

Mitigation

  • Implement multi-factor authentication (MFA) — requires attackers to compromise additional verification factors beyond bypassed primary authentication
  • Eliminate hardcoded credentials — use secure credential management systems and rotate all default credentials during deployment
  • Enforce authentication on all endpoints — verify every request requires valid authentication; no "hidden" administrative paths should exist
  • Implement proper session management — use cryptographically secure session tokens, validate on server-side, enforce timeout policies
  • Apply principle of least privilege — limit damage by ensuring even authenticated users only access necessary resources
  • Regular security testing — conduct penetration testing specifically targeting authentication logic and flows

Recent CVEs (33252)

EPSS 1% CVSS 9.8
CRITICAL Act Now

DEXIS Imaging Suite 10 has a hardcoded password for the sa account, which allows remote attackers to obtain administrative access by entering this password in a DEXIS_DATA SQL Server session. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Imaging Suite
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

Open Dental 16.1 and earlier has a hardcoded MySQL root password, which allows remote attackers to obtain administrative access by leveraging access to intranet TCP port 3306. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Opendental
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Cisco Firepower Management Center and FireSIGHT System Software 6.0.1 mishandle comparisons between URLs and X.509 certificates, which allows remote attackers to bypass intended do-not-decrypt. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Firesight System Software
NVD
EPSS 0% CVSS 8.8
HIGH This Week

Mozilla Firefox before 49.0 allows remote attackers to bypass the Same Origin Policy via a crafted fragment identifier in the SRC attribute of an IFRAME element, leading to insufficient restrictions. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Mozilla Authentication Bypass Firefox
NVD
EPSS 1% CVSS 8.8
HIGH This Week

The mozilla::a11y::HyperTextAccessible::GetChildOffset function in the accessibility implementation in Mozilla Firefox before 49.0 allows remote attackers to execute arbitrary code via a crafted web. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Mozilla RCE Authentication Bypass +1
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

The Zone-Based Firewall (ZBFW) functionality in Cisco IOS, possibly 15.4 and earlier, and IOS XE, possibly 3.13 and earlier, mishandles zone checking for existing sessions, which allows remote. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Apple Cisco Authentication Bypass +2
NVD
EPSS 0% CVSS 7.8
HIGH This Week

The BIOS for Lenovo ThinkCentre E93, M6500t/s, M6600, M6600q, M6600t/s, M73p, M800, M83, M8500t/s, M8600t/s, M900, M93, and M93P devices; ThinkServer RQ940, RS140, TS140, TS240, TS440, and TS540. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.

Authentication Bypass Lenovo Bios
NVD
EPSS 2% CVSS 9.8
CRITICAL PATCH Act Now

The application plugins in Apache CXF Fediz 1.2.x before 1.2.3 and 1.3.x before 1.3.1 do not match SAML AudienceRestriction values against configured audience URIs, which might allow remote attackers. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Apache Authentication Bypass Cxf Fediz
NVD
EPSS 1% CVSS 8.1
HIGH PATCH This Week

The m_authenticate function in modules/m_sasl.c in Charybdis before 3.5.3 allows remote attackers to spoof certificate fingerprints and consequently log in as another user via a crafted AUTHENTICATE. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.

Authentication Bypass Debian Linux Charybdis
NVD GitHub
EPSS 1% CVSS 7.5
HIGH This Week

The management interface of Huawei WS331a routers with software before WS331a-10 V100R001C01B112 allows remote attackers to bypass authentication and obtain administrative access by sending "special. Rated high severity (CVSS 7.5), this vulnerability is no authentication required. No vendor patch available.

Huawei Authentication Bypass Ws331A Router Firmware
NVD
EPSS 2% CVSS 6.5
MEDIUM This Month

The diagnosis_control.php page in Fortinet FortiWan (formerly AscernLink) before 4.2.5 allows remote authenticated users to download PCAP files via vectors related to the UserName GET parameter. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Fortinet PHP Authentication Bypass +1
NVD
EPSS 2% CVSS 9.8
CRITICAL Act Now

Dentsply Sirona (formerly Schick) CDR Dicom 5 and earlier has default passwords for the sa and cdr accounts, which allows remote attackers to obtain administrative access by leveraging knowledge of. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Cdr Dicom
NVD
EPSS 14% CVSS 7.5
HIGH PATCH Act Now

Apache Shiro before 1.3.2 allows attackers to bypass intended servlet filters and gain access by leveraging use of a non-root servlet context path. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 13.5%.

Apache Authentication Bypass Shiro
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

AVer Information EH6108H+ devices with firmware X9.03.24.00.07l have hardcoded accounts, which allows remote attackers to obtain root access by leveraging knowledge of the credentials and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Eh6108H Firmware
NVD
EPSS 1% CVSS 7.3
HIGH This Week

Yokogawa STARDOM FCN/FCJ controller R1.01 through R4.01 does not require authentication for Logic Designer connections, which allows remote attackers to reconfigure the device or cause a denial of. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Authentication Bypass Stardom Fcn Fcj
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

Cisco Fog Director 1.0(0) for IOx allows remote authenticated users to bypass intended access restrictions and write to arbitrary files via the Cartridge interface, aka Bug ID CSCuz89368. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Fog Director
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

EMC ViPR SRM before 3.7.2 does not restrict the number of password-authentication attempts, which makes it easier for remote attackers to obtain access via a brute-force guessing attack. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Vipr Srm
NVD
EPSS 0% CVSS 7.3
HIGH This Week

Pivotal Cloud Foundry (PCF) Elastic Runtime before 1.6.34 and 1.7.x before 1.7.12 places 169.254.0.0/16 in the all_open Application Security Group, which might allow remote attackers to bypass. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Elastic Authentication Bypass Cloud Foundry Elastic Runtime
NVD
EPSS 0% CVSS 9.8
CRITICAL Act Now

Pivotal Cloud Foundry (PCF) Ops Manager before 1.5.14 and 1.6.x before 1.6.9 uses the same cookie-encryption key across different customers' installations, which allows remote attackers to bypass. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Operations Manager
NVD
EPSS 10% CVSS 6.5
MEDIUM This Month

Microsoft Outlook 2007 SP3, Outlook 2010 SP2, Outlook 2013 SP1, Outlook 2013 RT SP1, Outlook 2016, and Outlook 2016 for Mac do not properly implement RFC 2046, which allows remote attackers to bypass. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 10.4% and no vendor patch available.

Microsoft Authentication Bypass Outlook
NVD
EPSS 11% CVSS 8.3
HIGH Act Now

Microsoft Internet Explorer 9 through 11 mishandles .url files from the Internet zone, which allows remote attackers to bypass intended access restrictions via a crafted file, aka "Internet Explorer. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 11.3% and no vendor patch available.

Authentication Bypass Microsoft Internet Explorer
NVD
EPSS 33% CVSS 8.8
HIGH Act Now

Microsoft Windows 8.1, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607 do not properly check NTLM SSO requests for MSA logins, which makes it easier for remote attackers to determine passwords. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 32.9% and no vendor patch available.

Microsoft Information Disclosure Authentication Bypass +3
NVD
EPSS 27% CVSS 8.8
HIGH Act Now

The SMBv1 server in Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold, 1511, and 1607. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 26.9% and no vendor patch available.

Microsoft RCE Authentication Bypass +7
NVD
EPSS 6% CVSS 5.0
MEDIUM This Month

Microsoft Internet Explorer 10 and 11 mishandles integrity settings and zone settings, which allows remote attackers to bypass a sandbox protection mechanism via a crafted web site, aka "Internet. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Authentication Bypass Microsoft Internet Explorer
NVD
EPSS 7% CVSS 3.3
LOW Monitor

The Click-to-Run (C2R) implementation in Microsoft Office 2013 SP1 and 2016 allows local users to bypass the ASLR protection mechanism via a crafted application, aka "Microsoft APP-V ASLR Bypass.". Rated low severity (CVSS 3.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Microsoft Office
NVD
EPSS 0% CVSS 5.3
MEDIUM This Month

Cisco Firepower Management Center before 6.1 and FireSIGHT System Software before 6.1, when certain malware blocking options are enabled, allow remote attackers to bypass malware detection via. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Firesight System Software
NVD
EPSS 1% CVSS 6.5
MEDIUM PATCH This Month

IBM WebSphere Portal 6.1.0 through 6.1.0.6 CF27, 6.1.5 through 6.1.5.3 CF27, 7.0.0 through 7.0.0.2 CF30, 8.0.0 through 8.0.0.1 CF21, and 8.5.0 before CF12 allows remote authenticated users to cause a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

IBM Denial Of Service Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

OMXCodec.cpp in libstagefright in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 does not validate a certain. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Telephony in Android 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 allows attackers to cause a denial of service (loss of locked-screen 911 TTY. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

server/notification/NotificationManagerService.java in the Notification Manager Service in Android 6.x before 2016-09-01 and 7.0 before 2016-09-01 lacks uid checks, which allows attackers to bypass. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Google Java Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

internal/telephony/SMSDispatcher.java in Telephony in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before 2016-09-01 does not properly construct. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Google Java Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Multiple buffer overflows in rtsp/ASessionDescription.cpp in libstagefright in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x before 2016-09-01, and 7.0 before. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

arm-wt-22k/lib_src/eas_mdls.c in mediaserver in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-09-01 allows remote attackers to cause a denial of service (NULL. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

decoder/ih264d_api.c in mediaserver in Android 6.x before 2016-09-01 mishandles the case of decoding zero MBs, which allows remote attackers to cause a denial of service (device hang or reboot) via a. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 1% CVSS 7.8
HIGH PATCH This Week

Multiple stack-based buffer overflows in the AVCC reassembly implementation in Utils.cpp in libstagefright in MediaMuxer in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, 6.x. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

RCE Google Authentication Bypass +1
NVD
EPSS 0% CVSS 6.5
MEDIUM This Month

PKId in Juniper Junos OS before 12.1X44-D52, 12.1X46 before 12.1X46-D37, 12.1X47 before 12.1X47-D30, 12.3 before 12.3R12, 12.3X48 before 12.3X48-D20, 13.3 before 13.3R10, 14.1 before 14.1R8, 14.1X53. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Juniper Authentication Bypass Junos
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The WiFi driver in Huawei Honor 6 smartphones with software H60-L01 before H60-L01C00B850, H60-L11 before H60-L11C00B850, H60-L21 before H60-L21C00B850, H60-L02 before H60-L02C00B850, H60-L12 before. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

The cert_revoke command in FreeIPA does not check for the "revoke certificate" permission, which allows remote authenticated users to revoke arbitrary certificates by leveraging the "retrieve. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Freeipa Linux +1
NVD
EPSS 0% CVSS 7.5
HIGH This Week

Huawei Unified Maintenance Audit (UMA) before V200R001C00SPC200 SPH206 allows remote attackers to reset arbitrary user passwords and consequently affect system data integrity via unspecified vectors. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Huawei Authentication Bypass Uma
NVD
EPSS 0% CVSS 6.6
MEDIUM This Month

XML external entity (XXE) vulnerability in the Hyper Management Module (HMM) in Huawei E9000 rack servers with software before V100R001C00SPC296 allows remote authenticated users to read arbitrary. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.

Denial Of Service XXE Huawei +2
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Huawei XH620 V3, XH622 V3, and XH628 V3 servers with software before V100R003C00SPC610, RH1288 V3 servers with software before V100R003C00SPC613, RH2288 V3 servers with software before. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Huawei Authentication Bypass Rh1288 V3 Server Firmware +5
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

Action Record in Ruby on Rails 4.2.x before 4.2.7.1 does not properly consider differences in parameter handling between the Active Record component and the JSON implementation, which allows remote. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Rails
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Camera driver in Huawei Honor 4C smartphones with software CHM-UL00C00 before CHM-UL00C00B564, CHM-TL00C01 before CHM-TL00C01B564, and CHM-TL00C00 before CHM-TL00HC00B564 allows attackers to. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Camera driver in Huawei Honor 4C smartphones with software CHM-UL00C00 before CHM-UL00C00B564, CHM-TL00C01 before CHM-TL00C01B564, and CHM-TL00C00 before CHM-TL00HC00B564 allows attackers to. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Camera driver in Huawei Honor 4C smartphones with software CHM-UL00C00 before CHM-UL00C00B564, CHM-TL00C01 before CHM-TL00C01B564, and CHM-TL00C00 before CHM-TL00HC00B564 allows attackers to. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Camera driver in Huawei Honor 4C smartphones with software CHM-UL00C00 before CHM-UL00C00B564, CHM-TL00C01 before CHM-TL00C01B564, and CHM-TL00C00 before CHM-TL00HC00B564 allows attackers to. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 0% CVSS 7.0
HIGH This Week

The Camera driver in Huawei Honor 4C smartphones with software CHM-UL00C00 before CHM-UL00C00B564, CHM-TL00C01 before CHM-TL00C01B564, and CHM-TL00C00 before CHM-TL00HC00B564 allows attackers to. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. No vendor patch available.

Denial Of Service Huawei Authentication Bypass +1
NVD
EPSS 3% CVSS 9.8
CRITICAL Act Now

F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.x before 11.2.1 HF16, 11.3.x, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1 HF1, and 12.x before 12.0.0 HF3; BIG-IP AAM, AFM, and. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Authentication Bypass Big Ip Link Controller +21
NVD
EPSS 1% CVSS 8.8
HIGH This Week

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions <. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Authentication Bypass En100 Ethernet Module Firmware
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

A vulnerability has been identified in Firmware variant PROFINET IO for EN100 Ethernet module : All versions < V1.04.01; Firmware variant Modbus TCP for EN100 Ethernet module : All versions <. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass En100 Ethernet Module Firmware
NVD
EPSS 0% CVSS 8.1
HIGH This Week

Media Origination System Suite Software 2.6 and earlier in Cisco Virtual Media Packager (VMP) allows remote attackers to bypass authentication and make arbitrary Platform and Applications Manager. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Cisco Authentication Bypass Media Origination System Suite
NVD
EPSS 8% CVSS 6.5
MEDIUM POC PATCH This Month

The smtplib library in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 does not return an error when StartTLS fails, which might allow man-in-the-middle attackers to. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.

Python Authentication Bypass
NVD Exploit-DB
EPSS 38% 4.6 CVSS 9.8
CRITICAL POC THREAT Emergency

NUUO NVRmini 2 1.0.0 through 3.0.0 and NUUO NVRsolo 1.0.0 through 3.0.0 have hardcoded root credentials, which allows remote attackers to obtain administrative access via unspecified vectors. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 38.2%.

Authentication Bypass Nvrmini 2 Nvrsolo
NVD Exploit-DB
EPSS 76% 5.3 CVSS 7.5
HIGH POC THREAT Act Now

cgi-bin/cgi_system in NUUO NVRmini 2 1.7.5 through 2.x, NUUO NVRsolo 1.7.5 through 2.x, and NETGEAR ReadyNAS Surveillance 1.1.1 through 1.4.1 allows remote attackers to reset the administrator. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 76.2%.

Netgear Authentication Bypass Readynas Surveillance +2
NVD Exploit-DB
EPSS 2% CVSS 9.8
CRITICAL Act Now

VMware Photos OS OVA 1.0 before 2016-08-14 has a default SSH public key in an authorized_keys file, which allows remote attackers to obtain SSH access by leveraging knowledge of the private key. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

VMware Authentication Bypass Photon Os
NVD
EPSS 1% CVSS 8.8
HIGH This Week

The web UI in Red Hat CloudForms 4.1 allows remote authenticated users to execute arbitrary code via vectors involving "Lack of field filters.". Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Red Hat RCE Authentication Bypass +1
NVD
EPSS 3% CVSS 7.5
HIGH This Week

Virtual servers in F5 BIG-IP systems 11.2.1 HF11 through HF15, 11.4.1 HF4 through HF10, 11.5.3 through 11.5.4, 11.6.0 HF5 through HF7, and 12.0.0, when configured with a TCP profile, allow remote. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Denial Of Service Authentication Bypass Big Ip Edge Gateway +12
NVD
EPSS 1% CVSS 7.5
HIGH This Week

UltraVNC Repeater before 1300 does not restrict destination IP addresses or TCP ports, which allows remote attackers to obtain open-proxy functionality by using a :: substring in between the IP. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Repeater
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

Moxa OnCell G3100V2 devices before 2.8 and G3111, G3151, G3211, and G3251 devices before 1.7 do not properly restrict authentication attempts, which makes it easier for remote attackers to obtain. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Oncell G3001 Firmware Oncell G3100V2 Firmware
NVD
EPSS 1% CVSS 7.5
HIGH This Week

ZModo ZP-NE14-S and ZP-IBH-13W devices do not enforce a WPA2 configuration setting, which allows remote attackers to trigger association with an arbitrary access point by using a recognized SSID. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zp Ibh 13W Zp Ne 14 S
NVD
EPSS 30% CVSS 7.3
HIGH Act Now

Rockwell Automation MicroLogix 1400 PLC 1766-L32BWA, 1766-L32AWA, 1766-L32BXB, 1766-L32BWAA, 1766-L32AWAA, and 1766-L32BXBA devices have a hardcoded SNMP community, which makes it easier for remote. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 30.3% and no vendor patch available.

Rockwell Authentication Bypass
NVD VulDB
EPSS 2% CVSS 9.8
CRITICAL Act Now

ZModo ZP-NE14-S and ZP-IBH-13W devices have a hardcoded root password, which makes it easier for remote attackers to obtain access via a TELNET session. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Zp Ibh 13W Zp Ne 14 S
NVD
EPSS 1% CVSS 7.5
HIGH This Week

The default configuration of the IPsec IKE peer listener in F5 BIG-IP LTM, Analytics, APM, ASM, and Link Controller 11.2.1 before HF16, 11.4.x, 11.5.x before 11.5.4 HF2, 11.6.x before 11.6.1, and. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Authentication Bypass Big Ip Application Acceleration Manager Big Ip Webaccelerator +13
NVD
EPSS 0% CVSS 8.8
HIGH PATCH This Week

The (1) Organization and (2) Locations APIs and UIs in Foreman before 1.11.4 and 1.12.x before 1.12.0-RC3 allow remote authenticated users to bypass organization and location restrictions and (a). Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Foreman
NVD
EPSS 0% CVSS 5.0
MEDIUM PATCH This Month

The (1) Organization and (2) Locations APIs in Foreman before 1.11.3 and 1.12.x before 1.12.0-RC1 allow remote authenticated users with unlimited filters to bypass organization and location. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable.

Authentication Bypass Foreman
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Multiple incomplete blacklist vulnerabilities in Apache Sentry before 1.7.0 allow remote authenticated users to execute arbitrary code via the (1) reflect, (2) reflect2, or (3) java_method Hive. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Apache RCE Authentication Bypass +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

curl and libcurl before 7.50.1 do not check the client certificate when choosing the TLS connection to reuse, which might allow remote attackers to hijack the authentication of the connection by. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Debian Linux Libcurl +1
NVD
EPSS 2% CVSS 7.5
HIGH PATCH This Week

curl and libcurl before 7.50.1 do not prevent TLS session resumption when the client certificate has changed, which allows remote attackers to bypass intended restrictions by resuming a session. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Authentication Bypass Libcurl Debian Linux +1
NVD
EPSS 6% CVSS 4.9
MEDIUM PATCH This Month

Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow attackers to bypass the Secure Boot protection mechanism by leveraging (1) administrative or. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity.

Authentication Bypass Microsoft Windows 10 +4
NVD
EPSS 37% CVSS 7.0
HIGH Act Now

The PDF library in Microsoft Windows 8.1, Windows Server 2012 Gold and R2, Windows 10 Gold and 1511, and Microsoft Edge allows remote attackers to execute arbitrary code via a crafted PDF file, aka. Rated high severity (CVSS 7.0), this vulnerability is no authentication required. Epss exploitation probability 37.2% and no vendor patch available.

Microsoft RCE Authentication Bypass +4
NVD
EPSS 7% CVSS 5.3
MEDIUM This Month

Microsoft Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8.1, Windows Server 2012 Gold and R2, Windows RT 8.1, and Windows 10 Gold and 1511 allow remote attackers to. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

Microsoft Authentication Bypass Windows 10 +6
NVD
EPSS 0% CVSS 6.5
MEDIUM PATCH This Month

Open redirect vulnerability in the Connections Portlets component 5.x before 5.0.2 for IBM WebSphere Portal allows remote attackers to redirect users to arbitrary web sites and conduct phishing. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

IBM Open Redirect Authentication Bypass +1
NVD
EPSS 1% CVSS 3.7
LOW PATCH Monitor

IBM WebSphere Application Server (WAS) 7.x before 7.0.0.43, 8.0.0.x before 8.0.0.13, 8.5.0.x before 8.5.5.10, 8.5.0.x and 16.0.0.x Liberty before Liberty Fix Pack 16.0.0.3, and 9.0.0.x before 9.0.0.1. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required.

IBM Denial Of Service Authentication Bypass +1
NVD
EPSS 0% CVSS 4.3
MEDIUM This Month

Cisco Prime Infrastructure 2.2(2) does not properly restrict use of IFRAME elements, which makes it easier for remote attackers to conduct clickjacking attacks and unspecified other attacks via a. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Prime Infrastructure
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Cisco RV110W, RV130W, and RV215W devices have an incorrect RBAC configuration for the default account, which allows remote authenticated users to obtain root access via a login session with that. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Cisco Authentication Bypass Rv110W Wireless N Vpn Firewall Firmware +2
NVD
EPSS 0% CVSS 7.8
HIGH PATCH This Week

The is_ashmem_file function in drivers/staging/android/ashmem.c in a certain Qualcomm Innovation Center (QuIC) Android patch for the Linux kernel 3.x mishandles pointer validation within the KGSL. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.

Qualcomm Google Linux +3
NVD
EPSS 0% CVSS 7.5
HIGH PATCH This Week

packages/SystemUI/src/com/android/systemui/power/PowerNotificationWarnings.java in Android 5.x allows attackers to bypass a DEVICE_POWER permission requirement via a broadcast intent with the. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Google Java Authentication Bypass +1
NVD
EPSS 1% CVSS 8.8
HIGH This Week

Blink, as used in Google Chrome before 52.0.2743.116, does not ensure that a taint property is preserved after a structure-clone operation on an ImageBitmap object derived from a cross-origin image,. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 1% CVSS 9.8
CRITICAL Act Now

The Developer Tools (aka DevTools) subsystem in Blink, as used in Google Chrome before 52.0.2743.116, mishandles the script-path hostname, remoteBase parameter, and remoteFrontendUrl parameter, which. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Google Authentication Bypass Chrome
NVD
EPSS 0% CVSS 5.5
MEDIUM POC PATCH This Month

The filesystem layer in the Linux kernel before 4.5.5 proceeds with post-rename operations after an OverlayFS file is renamed to a self-hardlink, which allows local users to cause a denial of service. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. Public exploit code available.

Denial Of Service Linux Authentication Bypass +2
NVD GitHub
EPSS 0% CVSS 4.7
MEDIUM PATCH This Month

Race condition in the audit_log_single_execve_arg function in kernel/auditsc.c in the Linux kernel through 4.7 allows local users to bypass intended character-set restrictions or disrupt system-call. Rated medium severity (CVSS 4.7).

Race Condition Linux Authentication Bypass +1
NVD GitHub
EPSS 0% CVSS 7.8
HIGH PATCH This Week

drivers/misc/qseecom.c in the Qualcomm components in Android before 2016-08-05 on Nexus 5 and 7 (2013) devices does not properly restrict user-space input, which allows attackers to gain privileges. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity.

Qualcomm Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Bluetooth in Android 4.x before 4.4.4, 5.0.x before 5.0.2, 5.1.x before 5.1.1, and 6.x before 2016-08-01 allows attackers to cause a denial of service (loss of Bluetooth 911 functionality) via a. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 0% CVSS 5.5
MEDIUM PATCH This Month

Android 6.x before 2016-08-01 allows attackers to cause a denial of service (loss of locked-screen 911 functionality) via a crafted application that uses the app-pinning feature, aka internal bug. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.

Denial Of Service Google Authentication Bypass +1
NVD
EPSS 1% CVSS 7.5
HIGH PATCH This Week

The Qualcomm Wi-Fi driver in Android before 2016-08-05 on Nexus 7 (2013) devices makes incorrect snprintf calls, which allows remote attackers to cause a denial of service (device hang or reboot) via. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.

Qualcomm Google Denial Of Service +2
NVD
EPSS 0% CVSS 7.8
HIGH This Week

Juniper Junos OS before 12.1X46-D50 on SRX Series devices reverts to "safe mode" authentication and allows root CLI logins without a password after a failed upgrade to 12.1X46, which might allow. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.

Juniper Authentication Bypass Junos
NVD
EPSS 0% CVSS 5.1
MEDIUM PATCH This Month

openshift-node in OpenShift Origin 1.1.6 and earlier improperly stores router credentials as envvars in the pod when the --credentials option is used, which allows local users to obtain sensitive. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required.

Authentication Bypass Origin
NVD GitHub
EPSS 2% CVSS 9.8
CRITICAL Act Now

The multi-tenant database container feature in SAP HANA does not properly encrypt communications, which allows remote attackers to bypass intended access restrictions and possibly have unspecified. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

SAP Authentication Bypass Hana
NVD
EPSS 1% CVSS 8.1
HIGH This Week

The SQL interface in SAP HANA before Revision 102 does not limit the number of login attempts for the SYSTEM user when the password_lock_for_system_user is not supported or is configured as "False,". Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.

SAP Authentication Bypass Hana
NVD
EPSS 10% CVSS 9.8
CRITICAL Act Now

SAP TREX 7.10 Revision 63 allows remote attackers to write to arbitrary files via vectors related to RFC-Gateway, aka SAP Security Note 2203591. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

SAP Authentication Bypass Trex
NVD
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Quick Facts

Typical Severity
CRITICAL
Category
auth
Total CVEs
33252

MITRE ATT&CK

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