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 (74816)
Untrusted search path in System Center allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Weak authentication in Windows Active Directory Certificate Services allows an authorized attacker to elevate privileges over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Untrusted pointer dereference in Windows Kernel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Exposure of sensitive information to an unauthorized actor in Windows Power Dependency Coordinator allows an authorized attacker to disclose information locally. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Windows Win32K - GRFX allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Improper input validation in OpenSSH for Windows allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds read in Windows Kernel-Mode Drivers allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper link resolution before file access ('link following') in Windows Installer allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Secure Channel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Improper input validation in Azure Local allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Windows Universal Plug and Play (UPnP) Device Host allows an authorized attacker to elevate privileges over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
Out-of-bounds read in Windows NTFS allows an unauthorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Remote Desktop Gateway Service allows an unauthorized attacker to execute code over a network. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Sensitive data storage in improperly locked memory in Windows Update Stack allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Use of uninitialized resource in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Microsoft Streaming Service allows an unauthorized attacker to deny service over a network. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
After Effects versions 25.1, 24.6.4 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Animate versions 24.0.7, 23.0.10 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Animate versions 24.0.7, 23.0.10 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
After Effects versions 25.1, 24.6.4 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
After Effects versions 25.1, 24.6.4 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
After Effects versions 25.1, 24.6.4 and earlier are affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Windows TCP/IP allows an unauthorized attacker to execute code over a network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Out-of-bounds read in Windows Subsystem for Linux allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds read in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Exposure of sensitive information to an unauthorized actor in Windows Routing and Remote Access Service (RRAS) allows an unauthorized attacker to disclose information over a network. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Sensitive data storage in improperly locked memory in Windows upnphost.dll allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Exposed dangerous method or function in Windows Local Session Manager (LSM) allows an authorized attacker to deny service over a network. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. Epss exploitation probability 39.8% and no vendor patch available.
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Secure Channel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Sensitive data storage in improperly locked memory in Windows Kernel allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows Kerberos allows an authorized attacker to elevate privileges over a network. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Out-of-bounds read in Microsoft Office allows an unauthorized attacker to execute code locally. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Insufficiently protected credentials in Azure Local Cluster allows an authorized attacker to disclose information locally. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity. No vendor patch available.
Insertion of sensitive information into log file in Azure Local Cluster allows an authorized attacker to disclose information over an adjacent network. Rated medium severity (CVSS 6.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper input validation in Windows DWM Core Library allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Improper link resolution before file access ('link following') in Windows Update Stack allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
Time-of-check time-of-use (toctou) race condition in Windows Local Security Authority (LSA) allows an authorized attacker to elevate privileges locally. Rated high severity (CVSS 7.0). No vendor patch available.
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in maennchen1.de m1.DownloadList.DownloadList: from n/a through 0.21. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Insecure default variable initialization in some Zoom Workplace Apps for Windows may allow an authenticated user to conduct a loss of integrity via local access. Rated low severity (CVSS 2.8), this vulnerability is low attack complexity. No vendor patch available.
A unverified password change vulnerability in Fortinet FortiSwitch GUI may allow a remote unauthenticated attacker to change admin passwords via a specially crafted request. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memory buffer. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a stack-based memory buffer overflow. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memory buffer. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A local code execution vulnerability exists in the Rockwell Automation Arena® due to a threat actor being able to read outside of the allocated memory buffer. Rated high severity (CVSS 8.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Element Web is a Matrix web client built using the Matrix React SDK. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An untrusted pointer dereference vulnerability in Ivanti Endpoint Manager before version 2024 SU1 or before version 2022 SU7 allows an attacker with local access to write arbitrary data into memory. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity. No vendor patch available.
Improper certificate validation in Ivanti Endpoint Manager before version 2024 SU1 or before version 2022 SU7 allows a remote unauthenticated attacker to intercept limited traffic between clients and. Rated medium severity (CVSS 4.8), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
c-ares is an asynchronous resolver library. Rated high severity (CVSS 8.3), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Shopware 6 is an open commerce platform based on Symfony Framework and Vue. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
An Improper Output Neutralization for Logs vulnerability [CWE-117] in FortiAnalyzer version 7.6.1 and below, version 7.4.5 and below, version 7.2.8 and below, version 7.0.13 and below and. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.3, 7.2.0 through 7.2.7, 7.0.0 through 7.0.14, 6.4.0 through. Rated low severity (CVSS 3.1), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
An Incorrect User Management vulnerability [CWE-286] in FortiWeb version 7.6.2 and below, version 7.4.6 and below, version 7.2.10 and below, version 7.0.11 and below widgets dashboard may allow an. Rated medium severity (CVSS 6.2), this vulnerability is remotely exploitable. No vendor patch available.
A storing passwords in a recoverable format in Fortinet FortiOS 7.4.0 through 7.4.8, FortiOS 7.2 all versions, FortiOS 7.0 all versions, FortiOS 6.4 all versions allows attacker to information. Rated low severity (CVSS 2.3), this vulnerability is low attack complexity. No vendor patch available.
A improper restriction of communication channel to intended endpoints vulnerability [CWE-923] in Fortinet FortiOS version 7.4.0 through 7.4.4, 7.2.0 through 7.2.8, 7.0.0 through 7.0.15, 6.4.0 through. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Multiple issues including the use of uninitialized ressources [CWE-908] and excessive iteration [CWE-834] vulnerabilities vulnerability in Fortinet allows a VPN user to corrupt memory potentially. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable. No vendor patch available.
The Accept SagePay Payments Using Contact Form 7 plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.0 through the publicly accessible. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in Mendix Runtime V10 (All versions < V10.21.0), Mendix Runtime V10.12 (All versions < V10.12.16), Mendix Runtime V10.18 (All versions < V10.18.5), Mendix Runtime. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In the Linux kernel, the following vulnerability has been resolved: soc: qcom: pdr: Fix the potential deadlock When some client process A call pdr_add_lookup() to add the look up for the service and. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: RDMA/hns: Fix soft lockup during bt pages loop Driver runs a for-loop when allocating bt pages and mapping them with buffer pages. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
In the Linux kernel, the following vulnerability has been resolved: regulator: check that dummy regulator has been probed before using it Due to asynchronous driver probing there is a chance that the. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
A vulnerability has been identified in Industrial Edge Device Kit - arm64 V1.17 (All versions), Industrial Edge Device Kit - arm64 V1.18 (All versions), Industrial Edge Device Kit - arm64 V1.19 (All. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The ZoomSounds - WordPress Wave Audio Player with Playlist plugin for WordPress is vulnerable to Arbitrary File Read in all versions up to, and including, 6.91 via the 'dzsap_download' action. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SAP S4CORE OData meta-data property is vulnerable to data tampering, due to which entity set could be externally modified by an attacker causing low impact on integrity of the application. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Due to insecure file permissions in SAP BusinessObjects Business Intelligence Platform, an attacker who has local access to the system could modify files potentially disrupting operations or cause. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.
The GreenPay(tm) by Green.Money plugin for WordPress is vulnerable to Sensitive Information Exposure in versions between 3.0.0 and 3.0.9 through the publicly accessible phpinfo.php script. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A Missing Authorization Check vulnerability exists in the Virus Scanner Interface of SAP NetWeaver Application Server ABAP. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SAP Commerce Cloud (Public Cloud) does not allow to disable unencrypted HTTP (port 80) entirely, but instead allows a redirect from port 80 to 443 (HTTPS). Rated medium severity (CVSS 6.8), this vulnerability is no authentication required. No vendor patch available.
During an annual penetration test conducted on behalf of Axis Communications, Truesec discovered a flaw in the VAPIX Device Configuration framework that allowed for unauthenticated username. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
51l3nc3, a member of the AXIS OS Bug Bounty Program, has found that the VAPIX API uploadoverlayimage.cgi did not have sufficient input validation to allow an attacker to upload files to block access. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper verification of intent by broadcast receiver vulnerability in Galaxy Store prior to version 4.5.90.7 allows local attackers to write arbitrary files with the privilege of Galaxy Store. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Use of implicit intent for sensitive communication in SamsungNotes prior to version 4.4.26.45 allows local attackers to access sensitive information. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read in enrollment with cdsp frame secfr trustlet prior to SMR Apr-2025 Release 1 allows local privileged attackers to read out-of-bounds memory. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper handling of insufficient permission or privileges in ClipboardService prior to SMR Apr-2025 Release 1 allows local attackers to access image files across multiple users. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper handling of exceptional conditions in pairing specific bluetooth devices in Galaxy Watch Bluetooth pairing prior to SMR Apr-2025 Release 1 allows local attackers to pair with specific. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper access control in Galaxy Watch prior to SMR Apr-2025 Release 1 allows local attackers to access sensitive information of Galaxy watch. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read in parsing audio data in libsavsac.so prior to SMR Apr-2025 Release 1 allows local attackers to read out-of-bounds memory. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper Verification of Intent by Broadcast Receiver in DeviceIdService prior to SMR Apr-2025 Release 1 allows local attackers to reset OAID. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in InputManager to SMR Apr-2025 Release 1 allows local attackers to access the scancode of specific input device. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper handling of insufficient permission in Samsung Device Health Manager Service prior to SMR Apr-2025 Release 1 allows local attackers to access provider in SDMHS. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper authorization in wireless download protocol in Galaxy Watch prior to SMR Apr-2025 Release 1 allows physical attackers to update device unique identifier of Watch devices. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper access control in SamsungContacts prior to SMR Apr-2025 Release 1 allows local attackers to access protected data in SamsungContacts. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper handling of insufficient permission or privileges in ClipboardService prior to SMR Apr-2025 Release 1 allows local attackers to access files with system privilege. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper access control in Sticker Center prior to SMR Apr-2025 Release 1 allows local attackers to access image files with system privilege. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.