CVE-2020-5913

Home/CVE/In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client o

CVE

In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client o

In versions 15.0.0-15.1.0.1, 14.1.0-14.1.2.3, 13.1.0-13.1.3.4, 12.1.0-12.1.5.1, and 11.6.1-11.6.5.2, the BIG-IP Client or Server SSL profile ignores revoked certificates, even when a valid CRL is present. This impacts SSL/TLS connections and may result in a man-in-the-middle attack on the connections.

HIGH · CVSS 7.4 EPSS 0.00193

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Weakness Classification

CWE-295Improper Certificate Validation

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Affected Products & Versions

f5 big-ip access policy manager>= 11.6.1 and < 11.6.5
f5 big-ip access policy manager>= 12.1.0 and < 12.1.5.2
f5 big-ip access policy manager>= 13.1.0 and < 13.1.3
f5 big-ip access policy manager>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip access policy manager>= 14.1.2.1 and < 14.1.2.5
f5 big-ip access policy manager>= 15.0.0 and < 15.0.1.2
f5 big-ip advanced firewall manager>= 11.6.1 and < 11.6.5
f5 big-ip advanced firewall manager>= 12.1.0 and < 12.1.5.2
Show all 60 affected productsf5 big-ip advanced firewall manager>= 13.1.0 and < 13.1.3
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip advanced firewall manager>= 14.1.2.1 and < 14.1.2.5
f5 big-ip advanced firewall manager>= 15.0.0 and < 15.0.1.2
f5 big-ip advanced web application firewall>= 11.6.1 and < 11.6.5
f5 big-ip advanced web application firewall>= 12.1.0 and < 12.1.5.2
f5 big-ip advanced web application firewall>= 13.1.0 and < 13.1.3
f5 big-ip advanced web application firewall>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip advanced web application firewall>= 14.1.2.1 and < 14.1.2.5
f5 big-ip advanced web application firewall>= 15.0.0 and < 15.0.1.2
f5 big-ip analytics>= 11.6.1 and < 11.6.5
f5 big-ip analytics>= 12.1.0 and < 12.1.5.2
f5 big-ip analytics>= 13.1.0 and < 13.1.3
f5 big-ip analytics>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip analytics>= 14.1.2.1 and < 14.1.2.5
f5 big-ip analytics>= 15.0.0 and < 15.0.1.2
f5 big-ip application acceleration manager>= 11.6.1 and < 11.6.5
f5 big-ip application acceleration manager>= 12.1.0 and < 12.1.5.2
f5 big-ip application acceleration manager>= 13.1.0 and < 13.1.3
f5 big-ip application acceleration manager>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip application acceleration manager>= 14.1.2.1 and < 14.1.2.5
f5 big-ip application acceleration manager>= 15.0.0 and < 15.0.1.2
f5 big-ip application security manager>= 11.6.1 and < 11.6.5
f5 big-ip application security manager>= 12.1.0 and < 12.1.5.2
f5 big-ip application security manager>= 13.1.0 and < 13.1.3
f5 big-ip application security manager>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip application security manager>= 14.1.2.1 and < 14.1.2.5
f5 big-ip application security manager>= 15.0.0 and < 15.0.1.2
f5 big-ip ddos hybrid defender>= 11.6.1 and < 11.6.5
f5 big-ip ddos hybrid defender>= 12.1.0 and < 12.1.5.2
f5 big-ip ddos hybrid defender>= 13.1.0 and < 13.1.3
f5 big-ip ddos hybrid defender>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip ddos hybrid defender>= 14.1.2.1 and < 14.1.2.5
f5 big-ip ddos hybrid defender>= 15.0.0 and < 15.0.1.2
f5 big-ip domain name system>= 11.6.1 and < 11.6.5
f5 big-ip domain name system>= 12.1.0 and < 12.1.5.2
f5 big-ip domain name system>= 13.1.0 and < 13.1.3
f5 big-ip domain name system>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip domain name system>= 14.1.2.1 and < 14.1.2.5
f5 big-ip domain name system>= 15.0.0 and < 15.0.1.2
f5 big-ip fraud protection service>= 11.6.1 and < 11.6.5
f5 big-ip fraud protection service>= 12.1.0 and < 12.1.5.2
f5 big-ip fraud protection service>= 13.1.0 and < 13.1.3
f5 big-ip fraud protection service>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip fraud protection service>= 14.1.2.1 and < 14.1.2.5
f5 big-ip fraud protection service>= 15.0.0 and < 15.0.1.2
f5 big-ip global traffic manager>= 11.6.1 and < 11.6.5
f5 big-ip global traffic manager>= 12.1.0 and < 12.1.5.2
f5 big-ip global traffic manager>= 13.1.0 and < 13.1.3
f5 big-ip global traffic manager>= 14.1.0 and < 14.1.2-0.89.37
f5 big-ip global traffic manager>= 14.1.2.1 and < 14.1.2.5
f5 big-ip global traffic manager>= 15.0.0 and < 15.0.1.2

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Scoring & Timeline

7.4

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 NVD26 Aug 2020 · 03:15 PM

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

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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/K72752002Vendor Advisory

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