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 (74812)
NVIDIA Triton Inference Server for Windows and Linux contains a vulnerability where an attacker could cause stack buffer overflow by specially crafted inputs. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
CWE-204: Observable Response Discrepancy. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
CWE-620: Unverified Password Change. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
CWE-200 Exposure of Sensitive Information to an Unauthorized Actor. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The GiveWP - Donation Plugin and Fundraising Platform plugin for WordPress is vulnerable to Information Exposure in all versions up to, and including, 4.6.0. 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.
Vault and Vault Enterprise’s (“Vault”) ldap auth method may not have correctly enforced MFA if username_as_alias was set to true and a user had multiple CNs that are equal but with leading or. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Information disclosure while accessing and modifying the PIB file of a remote device via powerline. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Transient DOS while creating NDP instance. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Information disclosure while processing a packet at EAVB BE side with invalid header length. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Transient DOS while processing an ANQP message. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Transient DOS while processing CCCH data when NW sends data with invalid length. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Information disclosure while capturing logs as eSE debug messages are logged. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Information disclosure while processing the hash segment in an MBN file. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.
Information disclosure while reading data from an image using specified offset and size parameters. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. No vendor patch available.
Information disclosure while opening a fastrpc session when domain is not sanitized. Rated medium severity (CVSS 6.1), this vulnerability is low attack complexity.
Transient DOS while processing a random-access response (RAR) with an invalid PDU length on LTE network. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Use of Implicit Intent for Sensitive Communication in Smart View prior to Android 16 allows local attackers to access sensitive information. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in WcsExtension for Galaxy Watch prior to Android Watch 16 allows local attackers to access sensitive information. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in Galaxy Wearable prior to version 2.2.63.25042861 allows local attackers to access sensitive information. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
Improper authorization in Samsung Health prior to version 6.30.1.003 allows local attackers to access data in Samsung Health. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read in Blockchain Keystore prior to version 1.3.17.2 allows local privileged attackers to read out-of-bounds memory. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in PkgPredictorService prior to SMR Aug-2025 Release 1 in Chinese Android 13, 14, 15 and 16 allows local attackers to use the privileged APIs. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper export of android application component in Emergency SoS prior to SMR Aug-2025 Release 1 allows local attackers to access sensitive information. Rated medium severity (CVSS 4.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper access control in SemSensorManager for Galaxy Watch prior to SMR Aug-2025 Release 1 allows local attackers to access sensitive information related to outdoor exercise and sleep time. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Improper access control in fall detection for Galaxy Watch prior to SMR Aug-2025 Release 1 allows local attackers to modify fall detection configuration. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in SemSensorService for Galaxy Watch prior to SMR Aug-2025 Release 1 allows local attackers to access sensitive information related to motion and body sensors. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Improper privilege management in SamsungAccount prior to SMR Aug-2025 Release 1 allows local privileged attackers to deactivate Samsung account. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.
Improper access control in accessing system device node prior to SMR Aug-2025 Release 1 allows local attackers to access device identifier. Rated medium severity (CVSS 4.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Race condition vulnerability in the kernel hufs module. Rated medium severity (CVSS 4.8), this vulnerability is low attack complexity. No vendor patch available.
Improper array index verification vulnerability in the audio codec module. Rated medium severity (CVSS 4.2), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Vulnerability of using incompatible types to access resources in the location service. Rated medium severity (CVSS 4.5). No vendor patch available.
Out-of-bounds read vulnerability in the SSAP module of the NearLink protocol stack. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read vulnerability in the SSAP module of the NearLink protocol stack. Rated medium severity (CVSS 5.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Vulnerability of inadequate packet length check in the BLE module. Rated medium severity (CVSS 5.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Rated medium severity (CVSS 6.6), this vulnerability is low attack complexity. No vendor patch available.
Out-of-bounds array access issue due to insufficient data verification in the kernel ambient light module. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of returning released pointers in the distributed notification service. Rated medium severity (CVSS 5.9), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of improper processing of abnormal conditions in huge page separation. Rated high severity (CVSS 8.0), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds read vulnerability in the register configuration of the DMA module. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of insufficient data length verification in the partition module. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Race condition issue occurring in the physical page import process of the memory management module. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of incomplete verification information in the communication module. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Pointer dangling vulnerability in the cjwindow module. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
Race condition vulnerability in the kernel file system module. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Iterator failure issue in the WantAgent module. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. No vendor patch available.
Iterator failure issue in the multi-mode input module. Rated medium severity (CVSS 5.3), this vulnerability is low attack complexity. No vendor patch available.
Permission control vulnerability in the distributed clipboard module. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.
Vulnerability of insufficient information protection in the media library module. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Input verification vulnerability in the home screen module. Rated medium severity (CVSS 6.2), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Iterator failure vulnerability in the card management module. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Iterator failure vulnerability in the card management module. Rated medium severity (CVSS 5.9), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
EXTRA_REFERRER resource read vulnerability in the Gallery module. Rated high severity (CVSS 7.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Out-of-bounds access vulnerability in the audio codec module. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Authentication management vulnerability in the ArkWeb module. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, no authentication required. No vendor patch available.
Status verification vulnerability in the lock screen module. Rated high severity (CVSS 7.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Race condition vulnerability in the virtualization base module. Rated high severity (CVSS 8.1), this vulnerability is no authentication required. No vendor patch available.
The Janssen Project is an open-source identity and access management (IAM) platform. Rated medium severity (CVSS 6.9), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
RISC Zero is a zero-knowledge verifiable general computing platform based on zk-STARKs and the RISC-V microarchitecture. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Rated high severity (CVSS 7.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
An issue was discovered in ExonautWeb in 4C Strategies Exonaut 21.6. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
OpenJPEG is an open-source JPEG 2000 codec. Rated medium severity (CVSS 6.6), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
An out-of-bounds read vulnerability exists in the EMF functionality of PDF-XChange Co. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A lack of SSL certificate validation in BlueStacks v5.20 allows attackers to execute a man-it-the-middle attack and obtain sensitive information. Rated low severity (CVSS 3.9). No vendor patch available.
A vulnerability affecting the scanning module in Emsisoft Anti-Malware prior to 2024.12 allows attackers on a remote server to obtain Net-NTLMv2 hash information via a specially created A2S (Emsisoft. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read vulnerability exists in the EMF functionality of PDF-XChange Editor version 10.5.2.395. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
A low privileged local attacker can abuse the affected service by using a hardcoded cryptographic key. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability was found in atjiu pybbs up to 6.0.0. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
A vulnerability was found in atjiu pybbs up to 6.0.0 and classified as problematic.java of the component Registered Email Handler. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required. Public exploit code available.
A vulnerability has been found in atjiu pybbs up to 6.0.0 and classified as critical. Rated medium severity (CVSS 5.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An improper verification of cryptographic signature in Zscaler's SAML authentication mechanism on the server-side allowed an authentication abuse. Rated critical severity (CVSS 9.6), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
DIAView (v4.2.0 and prior) - Directory Traversal Information Disclosure Vulnerability. Rated critical severity (CVSS 9.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
VTun-ng is a Virtual Tunnel over TCP/IP network. Rated high severity (CVSS 8.7), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.