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 (69236)
Deeplearning4J is a suite of tools for deploying and training deep learning models using the JVM. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
UPSMON PRO transmits sensitive data in cleartext over HTTP protocol. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
UPSMON PRO configuration file stores user password in plaintext under public user directory. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple W&T products of the Comserver Series use a small number space for allocating sessions ids. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Payara before 2022-11-04, when deployed to the root context, allows attackers to visit META-INF and WEB-INF, a different vulnerability than CVE-2022-37422. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 event stream subscribers using a token with TTL receive updates until token garbage is collected. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.4.1 workload identity token can list non-sensitive metadata for paths under nomad/ that belong to other jobs in the same namespace. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An improper authorization issue in GitLab CE/EE affecting all versions from 14.4 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to read variables set directly in a. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Lack of sand-boxing of OpenAPI documents in GitLab CE/EE affecting all versions from 12.6 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to trick a user to click. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper authorization in GitLab CE/EE affecting all versions from 7.14 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows a user retrying a job in a downstream pipeline to take. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue has been discovered in GitLab CE/EE affecting all versions starting from 12.1 before 15.3.5, all versions starting from 15.4 before 15.4.4, all versions starting from 15.5 before 15.5.2. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Grafana is an open-source platform for monitoring and observability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An information disclosure issue in GitLab CE/EE affecting all versions from 14.4 prior to 15.3.5, 15.4 prior to 15.4.4, and 15.5 prior to 15.5.2 allows an attacker to use GitLab Flavored Markdown. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Microsoft Exchange Server Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Microsoft SharePoint Server Spoofing Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Microsoft Windows System Monitor (Sysmon) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Bind Filter Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). No vendor patch available.
Windows Win32 Kernel Subsystem Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Microsoft Excel Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Microsoft Word Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Windows Overlay Filter Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Overlay Filter Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). No vendor patch available.
Windows GDI+ Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Network Policy Server (NPS) RADIUS Protocol Information Disclosure Vulnerability. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Microsoft DWM Core Library Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Digital Media Receiver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). No vendor patch available.
Windows Win32k Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Group Policy Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.4). No vendor patch available.
Azure CycleCloud Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is no authentication required. No vendor patch available.
Microsoft Exchange Server Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
Microsoft Exchange Server Spoofing Vulnerability. Rated high severity (CVSS 8.0), this vulnerability is low attack complexity. No vendor patch available.
Microsoft Exchange Server Spoofing Vulnerability. Rated high severity (CVSS 8.0), this vulnerability is low attack complexity. No vendor patch available.
Microsoft Business Central Information Disclosure Vulnerability. Rated medium severity (CVSS 4.4), this vulnerability is remotely exploitable. No vendor patch available.
.NET Framework Information Disclosure Vulnerability. Rated medium severity (CVSS 5.8).
Microsoft Word Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Windows HTTP.sys Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Human Interface Device Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Extensible File Allocation Table Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Advanced Local Procedure Call (ALPC) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8). No vendor patch available.
Sensitive information exposure vulnerability in FmmBaseModel in Galaxy Buds Pro Manage prior to version 4.1.22092751 allows local attackers with log access permission to get device identifier data. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Heap overflow vulnerability in parse_pce function in libsavsaudio.so in Editor Lite prior to version 4.0.41.3 allows attacker to get information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper access control vulnerability in IpcRxServiceModeBigDataInfo in RIL prior to SMR Nov-2022 Release 1 allows local attacker to access Device information. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Improper access control vulnerability in BootCompletedReceiver_CMCC in DeviceManagement prior to SMR Nov-2022 Release 1 allows local attacker to access to Device information. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation vulnerability for processing SIB12 PDU in Exynos modems prior to SMR Sep-2022 Release allows remote attacker to read out of bounds memory. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Grafana is an open-source platform for monitoring and observability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Netlogon RPC Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.
Windows Subsystem for Linux (WSL2) Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). No vendor patch available.
Windows Group Policy Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Windows Kerberos Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
Windows Kerberos RC4-HMAC Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required.
There is a race condition vulnerability in SD upgrade mode. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
The DDMP/ODMF module has a service hijacking vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The HiView module has a vulnerability of not filtering third-party apps out when the HiView module traverses to invoke the system provider. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The lock screen module has defects introduced in the design process. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The iaware module has a vulnerability in thread security. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The graphics display module has a UAF vulnerability when traversing graphic layers. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Display Service module has a UAF vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The kernel module has the vulnerability that the mapping is not cleared after the memory is automatically released. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
VMware Workspace ONE Assist prior to 22.10 contains a Session fixation vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Insufficient access controls in the AMD Link Android app may potentially result in information disclosure. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
IBPB may not prevent return branch predictions from being specified by pre-IBPB branch targets leading to a potential information disclosure. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Inappropriate implementation in Custom Tabs in Google Chrome on Android prior to 106.0.5249.119 allowed a remote attacker to spoof the contents of the Omnibox (URL bar) via a crafted HTML page. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A leftover debug code vulnerability exists in the console infct functionality of InHand Networks InRouter302 V3.5.45. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A leftover debug code vulnerability exists in the console nvram functionality of InHand Networks InRouter302 V3.5.45. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
A leftover debug code vulnerability exists in the console verify functionality of InHand Networks InRouter302 V3.5.45. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
The firmware of InHand Networks InRouter302 V3.5.45 introduces fixes for TALOS-2022-1472 and TALOS-2022-1474. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An HTTP Request Forgery issue was discovered in Varnish Cache 5.x and 6.x before 6.0.11, 7.x before 7.1.2, and 7.2.x before 7.2.1. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in Varnish Cache 7.x before 7.1.2 and 7.2.x before 7.2.1. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Type confusion in V8 in Google Chrome prior to 107.0.5304.106 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Grafana is an open-source platform for monitoring and observability. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Due to insufficient input validation, SAP NetWeaver Application Server ABAP and ABAP Platform allows an attacker with high level privileges to use a remote enabled function to delete a file which is. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Remote desktop takeover via phishing. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In PAN_WriteBuf of pan_api.cc, there is a possible out of bounds read due to a use after free. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In process_service_search_rsp of sdp_discovery.cc, there is a possible out of bounds read due to improper input validation. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In keyinstall, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In vpu, there is a possible information disclosure due to an incorrect bounds check. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Missing parameter type validation in the DRM module. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
html2xhtml v1.3 was discovered to contain an Out-Of-Bounds read in the function static void elm_close(tree_node_t *nodo) at procesador.c. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in the Arm Mali GPU Kernel Driver. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in Mendix SAML (Mendix 7 compatible) (All versions < V1.17.0), Mendix SAML (Mendix 7 compatible) (All versions >= V1.17.0 < V1.17.2), Mendix SAML (Mendix 8. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A vulnerability has been identified in QMS Automotive (All versions < V12.39), QMS Automotive (All versions < V12.39). Rated high severity (CVSS 7.6), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability has been identified in POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM Q100 (All versions < V2.50), POWER METER SICAM. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A vulnerability has been identified in JT2Go (All versions < V14.1.0.4), Teamcenter Visualization V13.2 (All versions < V13.2.0.12), Teamcenter Visualization V13.3 (All versions < V13.3.0.7),. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in JT2Go (All versions < V14.1.0.4), Teamcenter Visualization V13.2 (All versions < V13.2.0.12), Teamcenter Visualization V13.3 (All versions < V13.3.0.7),. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in JT2Go (All versions < V14.1.0.4), Teamcenter Visualization V13.2 (All versions < V13.2.0.12), Teamcenter Visualization V13.3 (All versions < V13.3.0.7),. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in Parasolid V34.0 (All versions < V34.0.252), Parasolid V34.0 (All versions >= V34.0.252 < V34.0.254), Parasolid V34.1 (All versions < V34.1.242), Parasolid V34.1. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.