CVE-2021-25940 : What You Need to Know

ArangoDB versions v3.7.6 through v3.8.3 are vulnerable to Insufficient Session Expiration, allowing a malicious user to remain logged in even after a password change. The CVSS score for this vulnerability is 8.8 (High Severity).

Understanding CVE-2021-25940

This section provides details about the vulnerability, its impact, and mitigation techniques.

What is CVE-2021-25940?

CVE-2021-25940 affects ArangoDB versions v3.7.6 through v3.8.3 due to Insufficient Session Expiration after a password change.

The Impact of CVE-2021-25940

The vulnerability poses a significant risk as it allows a malicious user to continue performing unauthorized actions within the system even after a password change.

Technical Details of CVE-2021-25940

Below are technical details related to the vulnerability that users should be aware of.

Vulnerability Description

After an administrator changes a user's password in ArangoDB, the session remains valid, enabling unauthorized activities within the system.

Affected Systems and Versions

ArangoDB versions v3.7.6 to v3.8.3 are confirmed to be impacted by this vulnerability.

Exploitation Mechanism

Malicious users can exploit the Insufficient Session Expiration flaw to retain access and perform arbitrary actions post a password change.

Mitigation and Prevention

To secure systems against CVE-2021-25940, users are advised to take specific steps as outlined here.

Immediate Steps to Take

It is crucial to update ArangoDB to version v3.9.0-alpha.1 or later to mitigate the Insufficient Session Expiration vulnerability.

Long-Term Security Practices

Regularly updating and patching software, monitoring user sessions, and enforcing strong password policies can enhance overall system security.

Patching and Updates

Frequent software updates and applying patches promptly are essential to address known security issues and prevent potential exploitation.