CVE-2020-27715

Home/CVE/On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cau

CVE

On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cau

On BIG-IP 15.1.0-15.1.0.5 and 14.1.0-14.1.3, crafted TLS request to the BIG-IP management interface via port 443 can cause high (~100%) CPU utilization by the httpd daemon.

HIGH · CVSS 7.5 EPSS 0.00611

Schedule remediation

CVSS base score ≥ 7.0

Sigma rules0 YARA rules0

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Affected Products & Versions

f5 big-ip access policy manager>= 14.1.0 and < 14.1.3.1
f5 big-ip access policy manager>= 15.0.0 and < 15.1.1
f5 big-ip advanced firewall manager>= 14.1.0 and < 14.1.3.1
f5 big-ip advanced firewall manager>= 15.0.0 and < 15.1.1
f5 big-ip analytics>= 14.1.0 and < 14.1.3.1
f5 big-ip analytics>= 15.0.0 and < 15.1.1
f5 big-ip application acceleration manager>= 14.1.0 and < 14.1.3.1
f5 big-ip application acceleration manager>= 15.0.0 and < 15.1.1
Show all 22 affected productsf5 big-ip application security manager>= 14.1.0 and < 14.1.3.1
f5 big-ip application security manager>= 15.0.0 and < 15.1.1
f5 big-ip domain name system>= 14.1.0 and < 14.1.3.1
f5 big-ip domain name system>= 15.0.0 and < 15.1.1
f5 big-ip fraud protection service>= 14.1.0 and < 14.1.3.1
f5 big-ip fraud protection service>= 15.0.0 and < 15.1.1
f5 big-ip global traffic manager>= 14.1.0 and < 14.1.3.1
f5 big-ip global traffic manager>= 15.0.0 and < 15.1.1
f5 big-ip link controller>= 14.1.0 and < 14.1.3.1
f5 big-ip link controller>= 15.0.0 and < 15.1.1
f5 big-ip local traffic manager>= 14.1.0 and < 14.1.3.1
f5 big-ip local traffic manager>= 15.0.0 and < 15.1.1
f5 big-ip policy enforcement manager>= 14.1.0 and < 14.1.3.1
f5 big-ip policy enforcement manager>= 15.0.0 and < 15.1.1

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Scoring & Timeline

7.5

HIGH · CVSS v3.1 · f5sirt@f5.com

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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 NVD24 Dec 2020 · 04:15 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/K25691186Vendor Advisory

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