Information Disclosure
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security.
How It Works
Information disclosure occurs when an application unintentionally exposes sensitive data that aids attackers in reconnaissance or directly compromises security. This happens through multiple channels: verbose error messages that display stack traces revealing internal paths and frameworks, improperly secured debug endpoints left active in production, and misconfigured servers that expose directory listings or version control artifacts like .git folders. APIs often leak excessive data in responses—returning full user objects when only a name is needed, or revealing system internals through metadata fields.
Attackers exploit these exposures systematically. They probe for common sensitive files (.env, config.php, backup archives), trigger error conditions to extract framework details, and analyze response timing or content differences to enumerate valid usernames or resources. Even subtle variations—like "invalid password" versus "user not found"—enable account enumeration. Exposed configuration files frequently contain database credentials, API keys, or internal service URLs that unlock further attack vectors.
The attack flow typically starts with passive reconnaissance: examining HTTP headers, JavaScript bundles, and public endpoints for version information and architecture clues. Active probing follows—testing predictable paths, manipulating parameters to trigger exceptions, and comparing responses across similar requests to identify information leakage patterns.
Impact
- Credential compromise: Exposed configuration files, hardcoded secrets in source code, or API keys enable direct authentication bypass
- Attack surface mapping: Stack traces, framework versions, and internal paths help attackers craft targeted exploits for known vulnerabilities
- Data breach: Direct exposure of user data, payment information, or proprietary business logic through oversharing APIs or accessible backups
- Privilege escalation pathway: Internal URLs, service discovery information, and architecture details facilitate lateral movement and SSRF attacks
- Compliance violations: GDPR, PCI-DSS, and HIPAA penalties for exposing regulated data through preventable disclosures
Real-World Examples
A major Git repository exposure affected thousands of websites when .git folders remained accessible on production servers, allowing attackers to reconstruct entire source code histories including deleted commits containing credentials. Tools like GitDumper automated mass exploitation of this misconfiguration.
Cloud storage misconfigurations have repeatedly exposed sensitive data when companies left S3 buckets or Azure Blob containers publicly readable. One incident exposed 150 million voter records because verbose API error messages revealed the storage URL structure, and no authentication was required.
Framework debug modes left enabled in production have caused numerous breaches. Django's DEBUG=True setting exposed complete stack traces with database queries and environment variables, while Laravel's debug pages revealed encryption keys through the APP_KEY variable in environment dumps.
Mitigation
- Generic error pages: Return uniform error messages to users; log detailed exceptions server-side only
- Disable debug modes: Enforce production configurations that suppress stack traces, verbose logging, and debug endpoints through deployment automation
- Access control audits: Restrict or remove development artifacts (
.git, backup files,phpinfo()) and internal endpoints before deployment - Response minimization: API responses should return only necessary fields; implement allowlists rather than blocklists for data exposure
- Security headers: Deploy
X-Content-Type-Options, remove server version banners, and disable directory indexing - Timing consistency: Ensure authentication and validation responses take uniform time regardless of input validity
Recent CVEs (68488)
Microsoft Brokering File System Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Virtualization-Based Security (VBS) Enclave Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Web Threat Defense User Service Information Disclosure Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Improper Privilege Management vulnerability could allow attackers to escalate privileges to gain unauthorized elevated access.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Cryptographic Information Disclosure Vulnerability. Rated medium severity (CVSS 5.6).
Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability for local privilege escalation, the third of three Hyper-V zero-days exploited in January 2025.
Windows Hyper-V NT Kernel Integration VSP contains a use-after-free vulnerability allowing local privilege escalation, the second of three Hyper-V zero-days in January 2025.
Windows Installer Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows Kernel Memory Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Microsoft Brokering File System Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows SmartScreen Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Smart Card Reader Information Disclosure Vulnerability. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.
Windows NTLM V1 Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Themes Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Microsoft DWM Core Library Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows Geolocation Service Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
Windows COM Server Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.
Microsoft COM for Windows Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
Windows COM Server Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows WLAN AutoConfig Service Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Kerberos Information Disclosure Vulnerability. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows PrintWorkflowUserSvc Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Digital Media Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Microsoft Message Queuing Information Disclosure Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Use of Uninitialized Resource vulnerability could allow attackers to access uninitialized memory causing crashes or information disclosure.
Windows NTLM Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Secure Boot Security Feature Bypass Vulnerability. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows BitLocker Information Disclosure Vulnerability. Rated medium severity (CVSS 4.2), this vulnerability is no authentication required. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Windows BitLocker Information Disclosure Vulnerability. Rated medium severity (CVSS 4.2), this vulnerability is no authentication required.
.NET Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. No vendor patch available.
An out-of-bounds read in Ivanti EPM before the 2024 January-2025 Security Update and 2022 SU6 January-2025 Security Update allows a local authenticated attacker to escalate their privileges. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
A flaw was found in rsync. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
A flaw was found in rsync which could be triggered when rsync compares file checksums. 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 19.1%.
IBM MQ 9.3 LTS, 9.3 CD, 9.4 LTS, and 9.4 CD web console could allow a local user to obtain sensitive information when a detailed technical error message is returned. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In Apache Linkis <1.7.0, due to the lack of effective filtering of parameters, an attacker configuring malicious Mysql JDBC parameters in the DataSource Manager Module will allow the attacker to read. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An access control issue in the component /api/squareComment/DelectSquareById of iceCMS v2.2.0 allows unauthenticated attackers to access sensitive information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An access control issue in the component /square/getAllSquare/circle of iceCMS v2.2.0 allows unauthenticated attackers to access sensitive information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A vulnerability, which was classified as problematic, has been found in libretro RetroArch up to 1.19.1 on Windows. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.
Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake, Phoenix SecureCore™ for Intel Coffee Lake, Phoenix SecureCore™ for Intel Comet Lake,. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.
Improper Check for Unusual or Exceptional Conditions vulnerability in Phoenix SecureCore™ for Intel Kaby Lake, Phoenix SecureCore™ for Intel Coffee Lake, Phoenix SecureCore™ for Intel Comet Lake,. Rated medium severity (CVSS 4.6), this vulnerability is low attack complexity. No vendor patch available.
An information disclosure vulnerability exists in the testsave.sh functionality of Wavlink AC3000 M33A8.V5030.210505. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A static login vulnerability exists in the wctrls functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 10.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A command execution vulnerability exists in the update_filter_url.sh functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. Public exploit code available and no vendor patch available.
An external config control vulnerability exists in the nas.cgi set_nas() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
An external config control vulnerability exists in the nas.cgi set_smb_cfg() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
An external config control vulnerability exists in the openvpn.cgi openvpn_client_setup() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A command execution vulnerability exists in the qos.cgi qos_sta() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A command execution vulnerability exists in the adm.cgi set_TR069() functionality of Wavlink AC3000 M33A8.V5030.210505. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Howyar UEFI Application "Reloader" (32-bit and 64-bit) is vulnerable to execution of unsigned software in a hardcoded path. Rated high severity (CVSS 8.2), this vulnerability is low attack complexity. Public exploit code available.
A improper neutralization of special elements used in an sql command ('sql injection') in Fortinet FortiWeb versions 6.3.17 through 7.6.1 allows attacker to gain information disclosure via crafted. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A use of hard-coded cryptographic key in Fortinet FortiClientWindows version 7.4.0, 7.2.x all versions, 7.0.x all versions, and 6.4.x all versions may allow a low-privileged user to decrypt. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
An operation on a resource after expiration or release in Fortinet FortiManager 6.4.12 through 7.4.0 allows an attacker to gain improper access to FortiGate via valid credentials. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An Out-of-bounds Read vulnerability [CWE-125] in FortiOS version 7.6.0, version 7.4.4 and below, version 7.2.9 and below and FortiSASE FortiOS tenant version 24.3.b IPsec IKE service may allow an. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An insertion of sensitive information into sent data vulnerability [CWE-201] in FortiOS 7.6.0, 7.4.0 through 7.4.4 may allow an attacker in a man-in-the-middle position to retrieve the RADIUS. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An observable response discrepancy vulnerability [CWE-204] in FortiClientEMS 7.4.0, 7.2.0 through 7.2.4, 7.0 all versions, and FortiSOAR 7.5.0, 7.4.0 through 7.4.4, 7.3.0 through 7.3.2, 7.2 all. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read vulnerability [CWE-125] in FortiOS SSLVPN web portal versions 7.4.0 through 7.4.4, versions 7.2.0 through 7.2.8, 7.0 all verisons, and 6.4 all versions may allow an. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An improper restriction of excessive authentication attempts [CWE-307] in FortiClientEMS version 7.2.0 through 7.2.4 and before 7.0.10 allows an unauthenticated attacker to try a brute force attack. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An origin validation error [CWE-346] vulnerability in Fortinet FortiOS IPSec VPN version 7.4.0 through 7.4.1 and version 7.2.6 and below allows an authenticated IPSec VPN user with dynamic IP. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in SIPROTEC 5 6MD84 (CP300) (All versions < V9.80), SIPROTEC 5 6MD85 (CP300) (All versions >= V7.80 < V9.80), SIPROTEC 5 6MD86 (CP300) (All versions >= V7.80 <. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was found in Keycloak. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The W3 Total Cache plugin for WordPress is vulnerable to unauthorized access of data due to a missing capability check on the is_w3tc_admin_page function in all versions up to, and including, 2.8.1. Rated high severity (CVSS 8.5), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 17.0%.
The W3 Total Cache plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 2.8.1 through the publicly exposed debug log file. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Epss exploitation probability 33.5%.
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. No vendor patch available.
Rejected reason: ** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. No vendor patch available.
Under certain conditions SAP NetWeaver AS for ABAP and ABAP Platform (Internet Communication Framework) allows an attacker to access restricted information due to weak access controls. Rated critical severity (CVSS 9.9), this vulnerability is remotely exploitable, low attack complexity. This Incorrect Permission Assignment vulnerability could allow attackers to access resources due to misconfigured permissions.
SAP BusinessObjects Business Intelligence Platform allows an unauthenticated attacker to perform session hijacking over the network without any user interaction, due to an information disclosure. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required.
Applications based on SAP GUI for HTML in SAP NetWeaver Application Server ABAP store user input in the local browser storage to improve usability. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.
SAP GUI for Java saves user input on the client PC to improve usability. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.
SAP GUI for Windows stores user input on the client PC to improve usability. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.