CVE-2021-23039

Home/CVE/On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.2.8, and all versions of 13.1.x and 12.1.x,

CVE

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.2.8, and all versions of 13.1.x and 12.1.x,

On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.2.8, and all versions of 13.1.x and 12.1.x, when IPSec is configured on a BIG-IP system, undisclosed requests from an authorized remote (IPSec) peer, which already has a negotiated Security Association, can cause the Traffic Management Microkernel (TMM) to terminate. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

HIGH · CVSS 7.5 EPSS 0.00574

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

⬡

Weakness Classification

CWE-20Improper Input Validation

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Affected Products & Versions

f5 big-ip access policy manager>= 12.1.0 and <= 12.1.6
f5 big-ip access policy manager>= 13.1.0 and <= 13.1.4
f5 big-ip access policy manager>= 14.1.0 and < 14.1.2.8
f5 big-ip access policy manager>= 15.1.0 and < 15.1.3
f5 big-ip access policy manager>= 16.0.0 and < 16.0.1.2
f5 big-ip advanced firewall manager>= 12.1.0 and <= 12.1.6
f5 big-ip advanced firewall manager>= 13.1.0 and <= 13.1.4
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.2.8
Show all 55 affected productsf5 big-ip advanced firewall manager>= 15.1.0 and < 15.1.3
f5 big-ip advanced firewall manager>= 16.0.0 and < 16.0.1.2
f5 big-ip analytics>= 12.1.0 and <= 12.1.6
f5 big-ip analytics>= 13.1.0 and <= 13.1.4
f5 big-ip analytics>= 14.1.0 and < 14.1.2.8
f5 big-ip analytics>= 15.1.0 and < 15.1.3
f5 big-ip analytics>= 16.0.0 and < 16.0.1.2
f5 big-ip application acceleration manager>= 12.1.0 and <= 12.1.6
f5 big-ip application acceleration manager>= 13.1.0 and <= 13.1.4
f5 big-ip application acceleration manager>= 14.1.0 and < 14.1.2.8
f5 big-ip application acceleration manager>= 15.1.0 and < 15.1.3
f5 big-ip application acceleration manager>= 16.0.0 and < 16.0.1.2
f5 big-ip application security manager>= 12.1.0 and <= 12.1.6
f5 big-ip application security manager>= 13.1.0 and <= 13.1.4
f5 big-ip application security manager>= 14.1.0 and < 14.1.2.8
f5 big-ip application security manager>= 15.1.0 and < 15.1.3
f5 big-ip application security manager>= 16.0.0 and < 16.0.1.2
f5 big-ip domain name system>= 12.1.0 and <= 12.1.6
f5 big-ip domain name system>= 13.1.0 and <= 13.1.4
f5 big-ip domain name system>= 14.1.0 and < 14.1.2.8
f5 big-ip domain name system>= 15.1.0 and < 15.1.3
f5 big-ip domain name system>= 16.0.0 and < 16.0.1.2
f5 big-ip fraud protection service>= 12.1.0 and <= 12.1.6
f5 big-ip fraud protection service>= 13.1.0 and <= 13.1.4
f5 big-ip fraud protection service>= 14.1.0 and < 14.1.2.8
f5 big-ip fraud protection service>= 15.1.0 and < 15.1.3
f5 big-ip fraud protection service>= 16.0.0 and < 16.0.1.2
f5 big-ip global traffic manager>= 12.1.0 and <= 12.1.6
f5 big-ip global traffic manager>= 13.1.0 and <= 13.1.4
f5 big-ip global traffic manager>= 14.1.0 and < 14.1.2.8
f5 big-ip global traffic manager>= 15.1.0 and < 15.1.3
f5 big-ip global traffic manager>= 16.0.0 and < 16.0.1.2
f5 big-ip link controller>= 12.1.0 and <= 12.1.6
f5 big-ip link controller>= 13.1.0 and <= 13.1.4
f5 big-ip link controller>= 14.1.0 and < 14.1.2.8
f5 big-ip link controller>= 15.1.0 and < 15.1.3
f5 big-ip link controller>= 16.0.0 and < 16.0.1.2
f5 big-ip local traffic manager>= 12.1.0 and <= 12.1.6
f5 big-ip local traffic manager>= 13.1.0 and <= 13.1.4
f5 big-ip local traffic manager>= 14.1.0 and < 14.1.2.8
f5 big-ip local traffic manager>= 15.1.0 and < 15.1.3
f5 big-ip local traffic manager>= 16.0.0 and < 16.0.1.2
f5 big-ip policy enforcement manager>= 12.1.0 and <= 12.1.6
f5 big-ip policy enforcement manager>= 13.1.0 and <= 13.1.4
f5 big-ip policy enforcement manager>= 14.1.0 and < 14.1.2.8
f5 big-ip policy enforcement manager>= 15.1.0 and < 15.1.3
f5 big-ip policy enforcement manager>= 16.0.0 and < 16.0.1.2

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · f5sirt@f5.com

View on NVD

Attack Vector

Network Adjacent Local Physical

Attack Complexity

Low High

Privileges Required

None Low High

User Interaction

None Required

Scope

Unchanged Changed

Confidentiality

None Low High

Integrity

None Low High

Availability

None Low High

Published to NVD14 Sep 2021 · 06:15 PM

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

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References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

https://support.f5.com/csp/article/K66782293MitigationVendor Advisory

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