CVE-2021-22996

HIGH

F5 BIG-IQ Centralized Management 7.x < 8.0.0 - Denial of Service via Corosync Process Abort

Title source: llm
STIX 2.1

Description

On all 7.x versions (fixed in 8.0.0), when set up for auto failover, a BIG-IQ Data Collection Device (DCD) cluster member that receives an undisclosed message may cause the corosync process to abort. This behavior may lead to a denial-of-service (DoS) and impact the stability of a BIG-IQ high availability (HA) cluster. Note: Software versions which have reached End of Software Development (EoSD) are not evaluated.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K16352404

Scores

CVSS v3 7.5
EPSS 0.0065
EPSS Percentile 71.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
f5/big-iq_centralized_management 7.0.0 - 8.0.0
Published Mar 31, 2021
Tracked Since Feb 18, 2026