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 (68912)
Windows Kernel Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Kernel 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 Kernel 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 Resilient File System (ReFS) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
Windows Resilient File System (ReFS) 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.
Windows Partition Management Driver 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 HTTP.sys Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. Public exploit code available.
Client Server Run-Time Subsystem (CSRSS) Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Microsoft Excel Remote Code Execution Vulnerability. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Microsoft Outlook Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Client Server Run-Time Subsystem (CSRSS) Information Disclosure Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Windows BrokerInfrastructure Service Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0).
Office for Android Spoofing Vulnerability. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity.
Microsoft Defender Elevation of Privilege Vulnerability. Rated medium severity (CVSS 6.3).
Windows Bluetooth Driver Elevation of Privilege Vulnerability. Rated high severity (CVSS 8.8), this vulnerability is low attack complexity.
Windows Point-to-Point Protocol over Ethernet (PPPoE) Elevation of Privilege Vulnerability. Rated high severity (CVSS 7.0). This Integer Overflow vulnerability could allow attackers to cause unexpected behavior through arithmetic overflow.
HashiCorp Nomad and Nomad Enterprise 1.4.0 up to 1.5.0 did not correctly enforce deny policies applied to a workload’s variables. 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 Tecnomatix Plant Simulation (All versions < V2201.0006). 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 Tecnomatix Plant Simulation (All versions < V2201.0006). 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 Tecnomatix Plant Simulation (All versions < V2201.0006). Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
SAP Authenticator for Android - version 1.3.0, allows the screen to be captured, if an authorized attacker installs a malicious app on the mobile device. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
SAP BusinessObjects Business Intelligence Platform (Web Services) - versions 420, 430, allows an attacker to inject arbitrary values as CMS parameters to perform lookups on the internal network which. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SAP NetWeaver allows (SAP Enterprise Portal) - version 7.50, allows an authenticated attacker with sufficient privileges to access the XML parser which can submit a crafted XML file which when parsed. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Due to insufficient encoding of user input, SAP NetWeaver - versions 700, 701, 702, 731, 740, 750, allows an unauthenticated attacker to inject code that may expose sensitive data like user ID and. Rated medium severity (CVSS 6.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
ReadtoMyShoe, a web app that lets users upload articles and listen to them later, generates an error message containing sensitive information prior to commit 8533b01. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
PanIndex is a network disk directory index. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The Akuvox E11 web server can be accessed without any user authentication, and this could allow an attacker to access sensitive information, as well as create and download packet captures with known. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Akuvox E11 uses a weak encryption algorithm for stored passwords and uses a hard-coded password for decryption which could allow the encrypted passwords to be decrypted from the configuration file. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Akuvox E11 password recovery webpage can be accessed without authentication, and an attacker could download the device key file. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Akuvox E11 does not ensure that a file extension is associated with the file provided. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
The Akuvox E11 libvoice library provides unauthenticated access to the camera capture for image and video. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Akuvox E11 allows direct SIP calls. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Akuvox E11 Media Access Control (MAC) address, a primary identifier, combined with the Akuvox E11 IP address, could allow an attacker to identify the device on the Akuvox cloud. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Akuvox E11 cloud login is performed through an unencrypted HTTP connection. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The Akuvox E11 secure shell (SSH) server is enabled by default and can be accessed by the root user. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Akuvox E11 uses a hard-coded cryptographic key, which could allow an attacker to decrypt sensitive information. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
CodeIgniter Shield provides authentication and authorization for the CodeIgniter 4 PHP framework. Rated medium severity (CVSS 5.9), this vulnerability is remotely exploitable, no authentication required.
McAfee Total Protection prior to 16.0.51 allows attackers to trick a victim into uninstalling the application via the command prompt. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An improper neutralization of directives in dynamically evaluated code vulnerability in the WiFi Battery embedded web server in versions L90/U70 and L92/U92 can be used to gain administrative access. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Webpack 5 before 5.76.0 does not avoid cross-realm object access. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An Information Disclosure vulnerability exists in AvantFAX 3.3.7. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier prints an error stack trace on agent-related pages when agent connections are broken, potentially revealing information about Jenkins configuration. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Jenkins 2.393 and earlier, LTS 2.375.3 and earlier shows temporary directories related to job workspaces, which allows attackers with Item/Workspace permission to access their contents. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Files or Directories Accessible to External Parties vulnerability in Saysis Starcities allows Collect Data from Common Resource Locations.3. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Improper removal of sensitive data in the entry edit feature of Hub Business submodule in Devolutions Remote Desktop Manager PowerShell Module 2022.3.1.5 and earlier allows an authenticated user to. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Improper access control in the secure messages feature in Devolutions Server 2022.3.12 and below allows an authenticated attacker that possesses the message UUID to access the data it contains. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
NVIDIA CUDA Toolkit SDK contains a vulnerability in cuobjdump, where a local user running the tool against a malicious binary may cause an out-of-bounds read, which may result in a limited denial of. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
NETGEAR Nighthawk WiFi6 Router prior to V1.0.10.94 contains a file sharing mechanism that allows users with access to this feature to access arbitrary files on the device. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The kernel subsystem hmdfs within OpenHarmony-v3.1.5 and prior versions has an arbitrary memory accessing vulnerability which network attackers can launch a remote attack to obtain kernel memory data. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::Decompiler::WrapChild. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
WebAssembly v1.0.29 discovered to contain an abort in CWriter::MangleType. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
WebAssembly v1.0.29 was discovered to contain a segmentation fault via the component wabt::cat_compute_size. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Cscape Envision RV version 4.60 is vulnerable to an out-of-bounds read vulnerability when parsing project (i.e. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
crossplane-runtime is a set of go libraries used to build Kubernetes controllers in Crossplane and its related stacks. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
crossplane-runtime is a set of go libraries used to build Kubernetes controllers in Crossplane and its related stacks. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue has been discovered in GitLab affecting all versions starting from 15.5 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue has been discovered in GitLab CE/EE affecting all versions before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
An issue has been discovered in GitLab affecting all versions starting from 12.1 before 15.7.8, all versions starting from 15.8 before 15.8.4, all versions starting from 15.9 before 15.9.2. Rated low severity (CVSS 3.8), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A improper restriction of excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiDeceptor 3.1.x and before allows a remote unauthenticated attacker to partially exhaust CPU 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 excessive authentication attempts vulnerability [CWE-307] in Fortinet FortiAuthenticator 6.4.x and before allows a remote unauthenticated attacker to partially exhaust CPU. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
onekeyadmin v1.3.9 was discovered to contain an arbitrary file read vulnerability via the component /admin1/file/download. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Bitwarden through 2023.2.1 offers password auto-fill when the second-level domain matches, e.g., a password stored for an example.com hosting provider when customer-website.example.com is visited. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
wasmtime is a fast and secure runtime for WebAssembly. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.
There exists an information disclosure vulnerability in SmartBear Zephyr Enterprise through 7.15.0 that could be exploited by unauthenticated users to read arbitrary files from Zephyr instances. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
wasmtime is a fast and secure runtime for WebAssembly. Rated critical severity (CVSS 9.9), 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.
Multiplication of certain unreduced P-256 scalars produce incorrect results. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The ScalarMult and ScalarBaseMult methods of the P256 Curve may return an incorrect result if called with some specific unreduced scalars (a scalar larger than the order of the curve). Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
onekeyadmin v1.3.9 was discovered to contain an arbitrary file read vulnerability via the component /admin1/curd/code. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
The CMP - Coming Soon & Maintenance plugin for WordPress is vulnerable to Information Exposure in versions up to, and including, 4.1.6 via the cmp_get_post_detail function. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and EPSS exploitation probability 18.6%.
Inappropriate implementation in Internals in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to spoof the origin of an iframe 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.
Type confusion in DevTools in Google Chrome prior to 111.0.5563.64 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted UI. Rated medium severity (CVSS 6.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Inappropriate implementation in Intents in Google Chrome on Android prior to 111.0.5563.64 allowed a remote attacker to perform domain spoofing 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.
Insufficient policy enforcement in Resource Timing in Google Chrome prior to 111.0.5563.64 allowed an attacker who convinced a user to install a malicious extension to obtain potentially sensitive. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Insufficient policy enforcement in Resource Timing in Google Chrome prior to 111.0.5563.64 allowed a remote attacker to obtain potentially sensitive information from API 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.
Inappropriate implementation in Autofill in Google Chrome on Android prior to 111.0.5563.64 allowed a remote attacker to potentially spoof the contents of the omnibox 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.
Inappropriate implementation in WebApp Installs in Google Chrome on Android prior to 111.0.5563.64 allowed an attacker who convinced a user to install a malicious WebApp to spoof the contents of the. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Insufficient policy enforcement in Autofill in Google Chrome on Android prior to 111.0.5563.64 allowed a remote attacker to leak cross-origin data 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.
Type confusion in CSS in Google Chrome prior to 111.0.5563.64 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.
Type confusion in V8 in Google Chrome prior to 111.0.5563.64 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.
In apu, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In ril, there is a possible out of bounds read due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In keyinstall, there is a possible information disclosure due to an integer overflow. Rated medium severity (CVSS 4.4), this vulnerability is 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 4.3), this vulnerability is remotely exploitable, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
libmemcached-awesome is an open source C/C++ client library and tools for the memcached server. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An exposure of sensitive information to an unauthorized actor [CWE-200] vulnerability in FortiAnalyzer versions 7.2.0 through 7.2.1, 7.0.0 through 7.0.4 and 6.4.0 through 6.4.10 may allow a remote. Rated low severity (CVSS 3.1), this vulnerability is remotely exploitable. No vendor patch available.