CVE-2021-23005

CRITICAL

F5 BIG-IQ Centralized Management 6.x-7.x - Unencrypted Corosync Protocol Usage in Quorum Device HA

Title source: llm
STIX 2.1

Description

On all 7.x and 6.x versions (fixed in 8.0.0), when using a Quorum device for BIG-IQ high availability (HA) for automatic failover, BIG-IQ does not make use of Transport Layer Security (TLS) with the Corosync protocol. 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/K01243064

Scores

CVSS v3 9.1
EPSS 0.0047
EPSS Percentile 64.8%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

Details

Status published
Products (1)
f5/big-iq_centralized_management 6.0.0 - 8.0.0
Published Mar 31, 2021
Tracked Since Feb 18, 2026