SB2021120203 - Insufficient Session Expiration in Zulip
Published: December 2, 2021
Security Bulletin ID
SB2021120203
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Insufficient Session Expiration (CVE-ID: CVE-2021-43791)
The vulnerability allows a remote attacker to gain access to sensitive information.
The vulnerability exists due to insufficient session expiration issue. A remote non-authenticated attacker can use expired invitations, self-registrations, or realm creation links.
Remediation
Install update from vendor's website.