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 (68719)
Windows Hyper-V Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
Windows Remote Desktop Licensing Service Denial of Service Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, 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 Win32k 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 TCP/IP 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 Kernel-Mode Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), 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.
Win32k 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.
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), 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 Windows Codecs Library 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.
Microsoft Windows Codecs Library Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Kernel Streaming WOW Thunk Service Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Workstation Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Network Driver Interface Specification (NDIS) Denial of Service Vulnerability. Rated medium severity (CVSS 6.5), 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.
PowerShell Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
PowerShell Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Kernel Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Windows Filtering Platform Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
PowerShell Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.
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 Windows Performance Data Helper Library Remote Code Execution Vulnerability. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
Windows Image Acquisition Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Microsoft Outlook 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 Message Queuing Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Microsoft Windows Server Backup Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity.
Azure Network Watcher VM Extension Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Microsoft SharePoint Server Information Disclosure Vulnerability. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Server-Side Request Forgery (SSRF) vulnerability could allow attackers to make the server perform requests to unintended internal or external resources.
Windows NTLM Spoofing Vulnerability. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
Windows Remote Access Connection Manager Information Disclosure Vulnerability. Rated medium severity (CVSS 4.7).
Microsoft Dynamics 365 (On-Premises) Information Disclosure Vulnerability. Rated high severity (CVSS 7.3), this vulnerability is remotely exploitable, low attack complexity.
An improper certificate validation vulnerability [CWE-295] in FortiWeb 7.2.0 through 7.2.1, 7.0 all versions, 6.4 all versions and 6.3 all versions may allow a remote and unauthenticated attacker in. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An improper neutralization of formula elements in a CSV File [CWE-1236] vulnerability in Fortinet FortiAIOps 2.0.0 may allow a remote authenticated attacker to execute arbitrary commands on a. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Multiple Exposure of sensitive information to an unauthorized actor weaknesses [CWE-200] vulnerability in Fortinet FortiAIOps 2.0.0 may allow an authenticated, remote attacker to retrieve sensitive. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The frame iterator could get stuck in a loop when encountering certain wasm frames leading to incorrect stack traces. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
CSP violations generated links in the console tab of the developer tools, pointing to the violating resource. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A nested iframe, triggering a cross-site navigation, could send SameSite=Strict or Lax cookies. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Form validation popups could capture escape key presses. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
When almost out-of-memory an elliptic curve key which was never allocated could have been freed again. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
It was possible to move the cursor using pointerlock from an iframe. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
It was possible to prevent a user from exiting pointerlock when pressing escape and to overlay customValidity notifications from a `<select>` element over certain permission prompts. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Clipboard code failed to check the index on an array access. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Firefox Android allowed immediate interaction with permission prompts. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A race condition could lead to a cross-origin container obtaining permissions of the top-level origin. Rated medium severity (CVSS 4.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in RadiusTheme ShopBuilder - Elementor WooCommerce Builder Addons. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In Spring Cloud Function framework, versions 4.1.x prior to 4.1.2, 4.0.x prior to 4.0.8 an application is vulnerable to a DOS attack when attempting to compose functions with non-existing functions. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RADIUS Protocol under RFC 2865 is susceptible to forgery attacks by a local attacker who can modify any valid Response (Access-Accept, Access-Reject, or Access-Challenge) to any other response using. Rated critical severity (CVSS 9.0), this vulnerability is remotely exploitable, no authentication required. Epss exploitation probability 19.0% and no vendor patch available.
A vulnerability has been identified in Mendix Encryption (All versions >= V10.0.0 < V10.0.2). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability has been identified in SINEMA Remote Connect Server (All versions < V3.2 SP1). Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, low attack complexity.
A vulnerability has been identified in RUGGEDCOM RMC30 (All versions < V4.3.10), RUGGEDCOM RMC30NC (All versions < V4.3.10), RUGGEDCOM RP110 (All versions < V4.3.10), RUGGEDCOM RP110NC (All versions. Rated high severity (CVSS 8.7), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in RUGGEDCOM RMC8388 V5.X (All versions < V5.9.0), RUGGEDCOM RMC8388NC V5.X (All versions < V5.9.0), RUGGEDCOM RS416NCv2 V5.X (All versions < V5.9.0), RUGGEDCOM. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability has been identified in Simcenter Femap (All versions < V2406). Rated high severity (CVSS 7.3), this vulnerability is no authentication required. No vendor patch available.
A vulnerability has been identified in Simcenter Femap (All versions < V2406). Rated high severity (CVSS 7.3), this vulnerability is no authentication required. No vendor patch available.
A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC05), SIMATIC WinCC Runtime Professional V18 (All versions < V18 Update 5), SIMATIC WinCC Runtime Professional V19. Rated high severity (CVSS 8.2), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Longse model LBH30FE200W cameras, as well as products based on this device, make use of telnet passwords which follow a specific pattern. Rated high severity (CVSS 8.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Longse NVR (Network Video Recorder) model NVR3608PGE2W, as well as products based on this device, create a WiFi network with a default password. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Longse NVR (Network Video Recorder) model NVR3608PGE2W, as well as products based on this device, are transmitting user's login and password to a remote control service without using any encryption. Rated medium severity (CVSS 6.0), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper Control of Filename for Include/Require Statement in PHP Program ('PHP Remote File Inclusion') vulnerability in IdeaBox Creations PowerPack Lite for Beaver Builder. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: bonding: Fix out-of-bounds read in bond_option_arp_ip_targets_set() In function bond_option_arp_ip_targets_set(), if newval->string. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity.
The Panda Video plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.4.0 via the 'selected_button' parameter. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Social Sharing Plugin - Kiwi plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 2.1.7 via the 'kiwi-nw-pinterest' class. Rated medium severity (CVSS 5.3), 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.
There is a permissions and access control vulnerability in ZXCLOUD IRAI.An attacker can elevate non-administrator permissions to administrator permissions by modifying the configuration. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity. No vendor patch available.
Under certain conditions, the memory of SAP GUI for Windows contains the password used to log on to an SAP system, which might allow an attacker to get hold of the password and impersonate the. Rated medium severity (CVSS 4.2), this vulnerability is low attack complexity. No vendor patch available.
Under certain conditions SAP NetWeaver Application Server for ABAP and ABAP Platform allows an attacker to access remote-enabled function module with no further authorization which would otherwise be. Rated medium severity (CVSS 5.3), 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.
WebFlow Services of SAP Business Workflow allows an authenticated attacker to enumerate accessible HTTP endpoints in the internal network by specially crafting HTTP requests. Rated medium severity (CVSS 5.0), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SAP CRM (WebClient UI Framework) allows an authenticated attacker to enumerate accessible HTTP endpoints in the internal network by specially crafting HTTP requests. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SAP Landscape Management allows an authenticated user to read confidential data disclosed by the REST Provider Definition response. Rated medium severity (CVSS 5.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
UniFi iOS app 10.15.0 introduces a misconfiguration on 2nd Generation UniFi Access Points configured as standalone (not using UniFi Network Application) that could cause the SSID name to change. Rated medium severity (CVSS 4.8), this vulnerability is no authentication required. No vendor patch available.
A CORS misconfiguration in the stitionai/devika repository allows attackers to steal sensitive information such as logs, browser sessions, and settings containing private API keys from other. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A vulnerability was found in Undertow. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Undici is an HTTP/1.1 client, written from scratch for Node.js. Rated low severity (CVSS 2.0), this vulnerability is remotely exploitable. No vendor patch available.
The /n software IPWorks SSH library SFTPServer component can be induced to make unintended filesystem or network path requests when loading a SSH public key or certificate. Rated low severity (CVSS 2.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Directus is a real-time API and App dashboard for managing SQL database content. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A security vulnerability in HCL Domino could allow disclosure of sensitive configuration information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
OpenVPN plug-ins on Windows with OpenVPN 2.6.9 and earlier could be loaded from any directory, which allows an attacker to load an arbitrary plug-in which can be used to interact with the privileged. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The interactive service in OpenVPN 2.6.9 and earlier allows the OpenVPN service pipe to be accessed remotely, which allows a remote attacker to interact with the privileged OpenVPN interactive. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper access control in Samsung Message prior to SMR Jul-2024 Release 1 allows local attackers to access location data. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Use of implicit intent for sensitive communication in Samsung Messages prior to SMR Jul-2024 Release 1 allows local attackers to get sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM System Management for i 7.2, 7.3, and 7.4 could allow a local user to gain elevated privileges due to an unqualified library program call. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
IBM FlashSystem 5300 USB ports may be usable even if the port has been disabled by the administrator. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue was discovered in the CheckUser extension for MediaWiki through 1.42.1. 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 the CheckUser extension for MediaWiki through 1.42.1. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: drm/drm_file: Fix pid refcounting race <maarten.lankhorst@linux.intel.com>, Maxime Ripard <mripard@kernel.org>, Thomas Zimmermann. Rated high severity (CVSS 7.0). This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
The OpenAI ChatGPT app before 2024-07-05 for macOS opts out of the sandbox, and stores conversations in cleartext in a location accessible to other apps. Rated low severity (CVSS 2.3), this vulnerability is low attack complexity. No vendor patch available.
An information disclosure vulnerability in ISPmanager v6.98.0 allows attackers to access sensitive details of the root user's session via an arbitrary command (ISP6-1779). Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
matrix-appservice-irc is a Node.js IRC bridge for the Matrix messaging protocol. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.