SB2021031105 - Denial of service in BIG-IQ Centralized Management
Published: March 11, 2021
Security Bulletin ID
SB2021031105
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Missing authentication for critical function (CVE-ID: CVE-2021-22995)
The vulnerability allows a remote attacker to gain unauthorized access to the system.
The vulnerability exists due to missing authentication while accessing the Corosync daemon in
BIG-IQ high availability (HA) when using a Quorum device for automatic failover. A remote non-authenticated attacker can alter data or perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.