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 (68905)
The issue was addressed with improved handling of caches. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed with improved private data redaction for log entries. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 4.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A privacy issue was addressed with improved handling of temporary files. Rated low severity (CVSS 3.3), this vulnerability is low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
This issue was addressed with improved entitlements. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A logic issue was addressed with improved state management. Rated medium severity (CVSS 6.0), this vulnerability is low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved entitlements. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with improved checks. Rated low severity (CVSS 2.4), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A permissions issue was addressed by removing vulnerable code and adding additional checks. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An authentication issue was addressed with improved state management. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
An authorization issue was addressed with improved state management. Rated high severity (CVSS 7.1), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A logic issue was addressed with improved state management. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
An out-of-bounds read was addressed with improved input validation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
This issue was addressed with improved state management. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
This issue was addressed with improved redaction of sensitive information. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
The issue was addressed with additional permissions checks. Rated medium severity (CVSS 6.3), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
NVIDIA Jetson contains a vulnerability in CBoot, where the PCIe controller is initialized without IOMMU, which may allow an attacker with physical access to the target device to read and write to. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
NVIDIA GPU Display Driver for Windows and Linux contains a vulnerability where unexpected untrusted data is parsed, which may lead to code execution, denial of service, escalation of privileges, data. Rated high severity (CVSS 7.6), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
XWiki Platform is a generic wiki platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
XWiki Platform is a generic wiki platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
XWiki Platform is a generic wiki platform offering runtime services for applications built on top of it. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Improper Neutralization of Formula Elements in a CSV File in GitHub repository admidio/admidio prior to 4.2.9. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Buffer Overflow vulnerability in coap_send function in libcoap library 4.3.1-103-g52cfd56 fixed in 4.3.1-120-ge242200 allows attackers to obtain sensitive information via malformed pdu. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An insecure permissions in /Taier/API/tenant/listTenant interface in DTStack Taier 1.3.0 allows attackers to view sensitive information via the getCookie method. 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.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability classified as critical has been found in Wavlink WN579X3 up to 20230615. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell BIOS contains an improper input validation vulnerability. Rated medium severity (CVSS 6.7), this vulnerability is low attack complexity. No vendor patch available.
Dell VxRail, versions prior to 7.0.450, contain an improper certificate validation vulnerability. Rated low severity (CVSS 3.3), this vulnerability is remotely exploitable. No vendor patch available.
Dell VxRail, version(s) 8.0.100 and earlier contain a denial-of-service vulnerability in the upgrade functionality. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
OpenPrinting CUPS is a standards-based, open source printing system for Linux and other Unix-like operating systems. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. Public exploit code available.
Flask-AppBuilder is an application development framework, built on top of Flask. Rated low severity (CVSS 2.7), this vulnerability is remotely exploitable, low attack complexity.
The OSD Bare Metal Server uses a cryptographic algorithm that is no longer considered sufficiently secure. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity. No vendor patch available.
An issue was discovered in WAFU Keyless Smart Lock v1.0 allows attackers to unlock a device via code replay attack. Rated medium severity (CVSS 6.5), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Nextcloud Server is a data storage system for Nextcloud, a self-hosted productivity platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Pega platform clients who are using versions 7.4 through 8.8.x and have upgraded from a version prior to 8.x may be utilizing default credentials. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
TP-Link TL-WR940N V2/V4/V6, TL-WR841N V8, TL-WR941ND V5, and TL-WR740N V1/V2 were discovered to contain a buffer read out-of-bounds via the component /userRpm/VirtualServerRpm. Rated high severity (CVSS 7.7), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
Fortra Globalscape EFT's administration server suffers from an information disclosure vulnerability where the serial number of the harddrive that Globalscape is installed on can be remotely. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Fortra Globalscape EFT versions before 8.1.0.16 suffer from an out of bounds memory read in their administration server, which can allow an attacker to crash the service or bypass authentication if. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
pam_krb5 authenticates a user by essentially running kinit with the password, getting a ticket-granting ticket (tgt) from the Kerberos KDC (Key Distribution Center) over the network, as a way to. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Advantech R-SeeNet versions 2.4.22 allows low-level users to access and load the content of local files. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Possible information disclosure in Vaadin 10.0.0 to 10.0.23, 11.0.0 to 14.10.1, 15.0.0 to 22.0.28, 23.0.0 to 23.3.13, 24.0.0 to 24.0.6, 24.1.0.alpha1 to 24.1.0.rc2, resulting in potential information. 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.
When adding non-visible components to the UI in server side, content is sent to the browser in Vaadin 10.0.0 through 10.0.22, 11.0.0 through 14.10.0, 15.0.0 through 22.0.28, 23.0.0 through 23.3.12,. Rated medium severity (CVSS 6.5), 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.
The VMware vCenter Server contains an out-of-bounds read vulnerability in the implementation of the DCERPC protocol. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
laravel-s 3.7.35 is vulnerable to Local File Inclusion via /src/Illuminate/Laravel.php. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
IBM SPSS Modeler on Windows 17.0, 18.0, 18.2.2, 18.3, 18.4, and 18.5 requires the end user to have access to the server SSL key which could allow a local user to decrypt and obtain sensitive. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity.
Description: A vulnerability in SiLabs Unify Gateway 1.3.1 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Description: A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an unauthenticated attacker within Z-Wave range to overflow a stack buffer, leading to arbitrary code execution. Rated high severity (CVSS 8.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
Multiple buffer overflow vulnerabilities in SiLabs Z/IP Gateway SDK version 7.18.01 and earlier allow an attacker with invasive physical access to a Z-Wave controller device to overwrite global. Rated medium severity (CVSS 6.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
A vulnerability in SiLabs Z/IP Gateway 7.18.01 and earlier allows an authenticated attacker within Z-Wave range to manipulate an array pointer to disclose the contents of global memory. Rated low severity (CVSS 3.5), this vulnerability is low attack complexity. No vendor patch available.
A `named` instance configured to run as a DNSSEC-validating recursive resolver with the Aggressive Use of DNSSEC-Validated Cache (RFC 8198) option (`synth-from-dnssec`) enabled can be remotely. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An access control issue in Makves DCAP v3.0.0.122 allows unauthenticated attackers to obtain cleartext credentials via a crafted web request to the product API. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A regression in the fix for bug 66512 in Apache Tomcat 11.0.0-M5, 10.1.8, 9.0.74 and 8.5.88 meant that, if a response did not include any HTTP headers no AJP SEND_HEADERS messare woudl be sent for. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
CloudPanel 2 before 2.3.1 has insecure file-manager cookie authentication. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.