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 (68895)
Microsoft Exchange Server Elevation of Privilege Vulnerability. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A side channel vulnerability on some of the AMD CPUs may allow an attacker to influence the return address prediction. Rated medium severity (CVSS 4.7). Public exploit code available and no vendor patch available.
Insufficient validation in the IOCTL (Input Output Control) input buffer in AMD uProf may allow an authenticated user to load an unsigned driver potentially leading to arbitrary kernel execution. Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
PHPJabbers Class Scheduling System 1.0 lacks encryption on the password when editing a user account (update user page) allowing an attacker to capture all user names and passwords in clear text. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
A vulnerability was discovered in the Rockwell Automation Armor PowerFlex device when the product sends communications to the local event log. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A vulnerability has been identified in Solid Edge SE2023 (All versions < V223.0 Update 2). Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Use After Free vulnerability could allow attackers to access freed memory to execute arbitrary code or crash the application.
A vulnerability has been identified in Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 Solid Edge SE2023 (All versions < V223.0 Update 7). 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 JT2Go (All versions < V14.2.0.5), Teamcenter Visualization V13.2 (All versions < V13.2.0.14), Teamcenter Visualization V14.1 (All versions < V14.1.0.10),. 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 Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.184), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.171), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.184), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. No vendor patch available.
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Teamcenter Visualization V14.1 (All versions), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.171), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in Parasolid V34.1 (All versions < V34.1.258), Parasolid V35.0 (All versions < V35.0.254), Parasolid V35.1 (All versions < V35.1.171), Teamcenter Visualization. Rated high severity (CVSS 7.3), this vulnerability is no authentication required. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in JT Open (All versions < V11.4), JT Utilities (All versions < V13.4). 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 JT Open (All versions < V11.4), JT Utilities (All versions < V13.4), Parasolid V34.0 (All versions < V34.0.253), Parasolid V34.1 (All versions < V34.1.243),. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
A vulnerability has been identified in JT2Go (All versions < V14.2.0.5), Solid Edge SE2022 (All versions < V222.0 Update 13), Solid Edge SE2023 (All versions < V223.0 Update 4), Teamcenter. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. No vendor patch available.
In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. 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.
The cam_get_device_priv function does not check the type of handle being returned (device/session/link). Rated high severity (CVSS 7.8), this vulnerability is low attack complexity.
A vulnerability has been identified in RUGGEDCOM i800, RUGGEDCOM i800NC, RUGGEDCOM i801, RUGGEDCOM i801NC, RUGGEDCOM i802, RUGGEDCOM i802NC, RUGGEDCOM i803, RUGGEDCOM i803NC, RUGGEDCOM M2100,. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Cryptographic issue in HLOS as derived keys used to encrypt/decrypt information is present on stack after use. Rated high severity (CVSS 7.1), this vulnerability is low attack complexity. No vendor patch available.
Information disclosure in Bluetooth when an GATT packet is received due to improper input validation. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
Information disclosure in Network Services due to buffer over-read while the device receives DNS response. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
In PHOENIX CONTACTs TC ROUTER and TC CLOUD CLIENT in versions prior to 2.07.2 as well as CLOUD CLIENT 1101T-TX/TX prior to 2.06.10 an authenticated remote attacker with admin privileges could upload. Rated medium severity (CVSS 4.9), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
In SAP BusinessObjects Business Intelligence - version 420, If a user logs in to a particular program, under certain specific conditions memory might not be cleared up properly, due to which attacker. Rated medium severity (CVSS 4.4). No vendor patch available.
SAP Commerce Cloud may accept an empty passphrase for user ID and passphrase authentication, allowing users to log into the system without a passphrase. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SAP Business Objects Installer - versions 420, 430, allows an authenticated attacker within the network to overwrite an executable file created in a temporary directory during the installation. Rated critical severity (CVSS 9.0), this vulnerability is low attack complexity. No vendor patch available.
SAP Business One (Service Layer) - version 10.0, allows an authenticated attacker with deep knowledge perform certain operation to access unintended data over the network which could lead to high. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable. No vendor patch available.
Under certain conditions SAP Commerce (OCC API) - versions HY_COM 2105, HY_COM 2205, COM_CLOUD 2211, endpoints allow an attacker to access information which would otherwise be restricted. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
SAP PowerDesigner - version 16.7, queries all password hashes in the backend database and compares it with the user provided one during login attempt, which might allow an attacker to access password. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
PrestaShop is an open source e-commerce web application. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
PrestaShop is an open source e-commerce web application. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
The MultiParcels Shipping For WooCommerce WordPress plugin before 1.14.14 does not have authorisation when deleting shipment, allowing any authenticated users, such as subscriber to delete arbitrary. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.
An issue was discovered in Insyde InsydeH2O with kernel 5.0 through 5.5. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
Divide By Zero in vim/vim from 9.0.1367-1 to 9.0.1367-3. Rated high severity (CVSS 7.8), this vulnerability is no authentication required, low attack complexity. Public exploit code available.
Pega platform clients who are using versions 6.1 through 7.3.1 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.
ABB is aware of vulnerabilities in the product versions listed below. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
An issue was discovered in Fujitsu Software Infrastructure Manager (ISM) before 2.8.0.061. Rated medium severity (CVSS 5.0), this vulnerability is low attack complexity.
In wlan service, there is a possible out of bounds read due to improper input validation. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In wlan service, there is a possible out of bounds read due to improper input validation. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In wlan driver, there is a possible out of bounds write due to improper input validation. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In IOMMU, there is a possible information disclosure due to improper input validation. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In pda, there is a possible out of bounds read due to an incorrect calculation of buffer size. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In nvram, there is a possible out of bounds write due to a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In jpeg, there is a possible information disclosure 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 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 a missing bounds check. Rated medium severity (CVSS 4.4), this vulnerability is low attack complexity. No vendor patch available.
In Contacts service, there is a possible missing permission check.This could lead to local information disclosure with no additional execution privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In vowifi service, there is a possible missing permission check.This could lead to local information disclosure with no additional execution privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In Contacts Service, there is a possible missing permission check.This could lead to local information disclosure with no additional execution privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In Contacts service, there is a possible missing permission check.This could lead to local information disclosure with no additional execution privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In ims service, there is a possible missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In Contacts Service, there is a possible missing permission check. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
In Contacts Service, there is a possible missing permission check.This could lead to local information disclosure with no additional execution privileges. Rated medium severity (CVSS 5.5), this vulnerability is low attack complexity. No vendor patch available.
A vulnerability, which was classified as critical, has been found in SourceCodester Resort Reservation System 1.0. 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.
PHP Remote File Inclusion in GitHub repository cockpit-hq/cockpit prior to 2.6.3. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available.
A vulnerability, which was classified as critical, has been found in SourceCodester Free Hospital Management System for Small Practices 1.0. 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.
A vulnerability was found in EmpowerID up to 7.205.0.0. Rated medium severity (CVSS 5.7), this vulnerability is low attack complexity. No vendor patch available.
Insufficient Session Expiration in GitHub repository admidio/admidio prior to 4.2.11. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
A vulnerability was found in Templatecookie Adlisting 2.14.0. 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.
Execution with Unnecessary Privileges, : Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Apache Software Foundation Apache Airflow.The "Run Task" feature enables. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, low attack complexity.
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Rated low severity (CVSS 3.7), this vulnerability is remotely exploitable, no authentication required. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
An arbitrary file overwrite vulnerability in NoMachine Free Edition and Enterprise Client for macOS before v8.8.1 allows attackers to overwrite root-owned files by using hardlinks. 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.
MindsDB's AI Virtual Database allows developers to connect any AI/ML model to any datasource. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity.
Zoho ManageEngine ADManager Plus through 7201 allow authenticated users to take over another user's account via sensitive information disclosure. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Connected IO v2.1.0 and prior has a misconfiguration in their MQTT broker used for management and device communication, which allows devices to connect to the broker and issue commands to other. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Connected IO v2.1.0 and prior keeps passwords and credentials in clear-text format, allowing attackers to exfiltrate the credentials and use them to impersonate the devices. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
matrix-appservice-irc is a Node.js IRC bridge for Matrix. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
twitch-tui provides Twitch chat in a terminal. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity.
Sydent is an identity server for the Matrix communications protocol. Rated medium severity (CVSS 5.3), this vulnerability is no authentication required.
Cargo downloads the Rust project’s dependencies and compiles the project. Rated high severity (CVSS 7.3), this vulnerability is low attack complexity.
MeterSphere is an open-source continuous testing platform. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.
An issue was discovered in Zoho ManageEngine Network Configuration Manager 12.6.165. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
A heap out-of-bounds memory read flaw was found in the virtual nvme device in QEMU. Rated medium severity (CVSS 6.5), this vulnerability is low attack complexity. This Out-of-bounds Read vulnerability could allow attackers to read data from memory outside the intended buffer boundaries.
VMware Horizon Server contains an information disclosure vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
VMware Horizon Server contains a HTTP request smuggling vulnerability. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
Fujitsu Software Infrastructure Manager (ISM) stores sensitive information at the product's maintenance data (ismsnap) in cleartext form. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
The WP Ultimate CSV Importer plugin for WordPress is vulnerable to Sensitive Information Exposure via Directory Listing due to missing restriction in export folder indexing in versions up to, and. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Exposure of Sensitive Information vulnerability could allow attackers to access sensitive data that should not be disclosed.
An issue has been discovered in GitLab EE affecting all versions starting from 14.1 before 16.0.8, all versions starting from 16.1 before 16.1.3, all versions starting from 16.2 before 16.2.2. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.
Sulu is an open-source PHP content management system based on the Symfony framework. Rated medium severity (CVSS 4.3), this vulnerability is remotely exploitable, low attack complexity.
Assmann Digitus Plug&View IP Camera HT-IP211HDP, version 2.000.022 allows unauthenticated attackers to download a copy of the camera's settings and the administrator credentials. 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.
Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions. Rated critical severity (CVSS 9.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.
An issue in the delete function in the ActModelController class of jeesite v1.2.6 allows authenticated attackers to arbitrarily delete models created by the Administrator. Rated medium severity (CVSS 5.4), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.