CVE-2021-23005 : On all 7.x and 6.x versions (fixed in 8.0.0), when using a Quorum device for BIG

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.

Published 2021-03-31 18:15:16

Updated 2021-04-06 18:17:22

Source F5 Networks

View at NVD, CVE.org

Products affected by CVE-2021-23005

F5 » Big-iq Centralized Management
Versions from including (>=) 6.0.0 and before (<) 8.0.0
cpe:2.3:a:f5:big-iq_centralized_management:*:*:*:*:*:*:*:*
Matching versions

Exploit prediction scoring system (EPSS) score for CVE-2021-23005

EPSS FAQ

0.17%

Probability of exploitation activity in the next 30 days EPSS Score History

~ 54 %

Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-23005

Base Score	Base Severity	CVSS Vector	Exploitability Score	Impact Score	Score Source
6.4	MEDIUM	AV:N/AC:L/Au:N/C:P/I:P/A:N	10.0	4.9	NIST
Access Vector: Network Access Complexity: Low Authentication: None Confidentiality Impact: Partial Integrity Impact: Partial Availability Impact: None
9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N	3.9	5.2	NIST
Attack Vector: Network Attack Complexity: Low Privileges Required: None User Interaction: None Scope: Unchanged Confidentiality: High Integrity: High Availability: None

References for CVE-2021-23005

https://support.f5.com/csp/article/K01243064

BIG-IQ HA vulnerability CVE-2021-23005
Vendor Advisory

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Vulnerability Details : CVE-2021-23005

Products affected by CVE-2021-23005

Exploit prediction scoring system (EPSS) score for CVE-2021-23005

CVSS scores for CVE-2021-23005

References for CVE-2021-23005