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CVE-2025-6711: CWE-532: Insertion of Sensitive Information into Log File in MongoDB Inc MongoDB Server

Medium
VulnerabilityCVE-2025-6711cvecve-2025-6711cwe-532
Published: Mon Jul 07 2025 (07/07/2025, 14:42:16 UTC)
Source: CVE Database V5
Vendor/Project: MongoDB Inc
Product: MongoDB Server

Description

An issue has been identified in MongoDB Server where unredacted queries may inadvertently appear in server logs when certain error conditions are encountered. This issue affects MongoDB Server v8.0 versions prior to 8.0.5, MongoDB Server v7.0 versions prior to 7.0.18 and MongoDB Server v6.0 versions prior to 6.0.21.

AI-Powered Analysis

AILast updated: 07/07/2025, 15:11:38 UTC

Technical Analysis

CVE-2025-6711 is a medium-severity vulnerability affecting MongoDB Server versions 6.0 prior to 6.0.21, 7.0 prior to 7.0.18, and 8.0 prior to 8.0.5. The issue is classified under CWE-532, which involves the insertion of sensitive information into log files. Specifically, when certain error conditions occur, MongoDB Server may log unredacted queries, potentially exposing sensitive data contained within those queries in server logs. This leakage can include confidential query parameters or other sensitive information that should not be stored in plaintext within logs. The vulnerability requires network access (AV:N), has a high attack complexity (AC:H), requires privileges (PR:H), and does not require user interaction (UI:N). The impact is primarily on confidentiality (C:H), with no impact on integrity or availability. Although no known exploits are currently reported in the wild, the exposure of sensitive data in logs can facilitate further attacks or data breaches if logs are accessed by unauthorized parties. The vulnerability affects multiple major MongoDB Server versions, indicating a broad potential impact across deployments using these versions prior to patching. MongoDB is widely used as a NoSQL database in various industries, including finance, healthcare, and e-commerce, where sensitive data protection is critical. The lack of redaction in logs under error conditions suggests a design or implementation oversight in error handling and logging mechanisms within the affected MongoDB versions.

Potential Impact

For European organizations, this vulnerability poses a significant risk to data confidentiality, especially for entities handling sensitive personal data subject to GDPR regulations. Exposure of unredacted queries in logs could lead to unauthorized disclosure of personal data, trade secrets, or other confidential information. This could result in regulatory penalties, reputational damage, and loss of customer trust. Organizations in sectors such as finance, healthcare, and public administration, which often rely on MongoDB for data storage, are particularly at risk. Additionally, since logs are often aggregated and stored for extended periods, the vulnerability increases the attack surface for insiders or external attackers who gain access to log storage systems. The medium CVSS score reflects the requirement for attacker privileges and high attack complexity, which somewhat limits exploitation but does not eliminate risk, especially in environments with less stringent access controls. The vulnerability does not affect data integrity or availability directly but compromises confidentiality, which is critical under European data protection laws.

Mitigation Recommendations

European organizations should prioritize upgrading MongoDB Server to versions 6.0.21, 7.0.18, or 8.0.5 or later, where this vulnerability is addressed. Until patching is possible, organizations should implement strict access controls on log files, ensuring that only authorized personnel can access logs. Encrypting log storage and using secure log management solutions can reduce the risk of unauthorized data exposure. Additionally, organizations should review and harden their MongoDB error handling and logging configurations to minimize sensitive data capture. Implementing monitoring and alerting for unusual access patterns to logs can help detect potential exploitation attempts. Regular audits of log contents for sensitive data exposure should be conducted. Finally, organizations should ensure that their incident response plans include procedures for handling potential data leakage through logs.

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Technical Details

Data Version
5.1
Assigner Short Name
mongodb
Date Reserved
2025-06-26T11:44:16.283Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 686bdfa16f40f0eb72ea12ed

Added to database: 7/7/2025, 2:54:25 PM

Last enriched: 7/7/2025, 3:11:38 PM

Last updated: 8/12/2025, 7:36:12 AM

Views: 22

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