SB2021011810 - Improper Restriction of Excessive Authentication Attempts in Cisco Webex Meetings and Cisco Webex Meetings Server
Published: January 18, 2021
Security Bulletin ID
SB2021011810
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) Improper Restriction of Excessive Authentication Attempts (CVE-ID: CVE-2021-1311)
The vulnerability allows a remote attacker to gain access to the system.
The vulnerability exists due to a lack of protection against brute forcing of the host key in the reclaim host role feature. A remote authenticated attacker can send specially crafted requests, launch a brute-force authentication attack and acquire or take over the host role for a meeting.
Remediation
Install update from vendor's website.