CVE-2020-27713
mediumpriority · track · 30EPSS 0.013 · 70 %ileEUUSEPSS · scored 2026-10-27
In certain configurations on version 13.1.3.4, when a BIG-IP AFM HTTP security profile is applied to a virtual server and the BIG-IP system receives a request with specific characteristics, the connection is reset and the Traffic Management Microkernel (TMM) leaks memory.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
- f5 big-ip advanced firewall manager= 13.1.3.4nvdUScpe:2.3:a:f5:big-ip_advanced_firewall_manager:*:*:*:*:*:*:*:*
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (6)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2020-27713cnnvd
- https://support.f5.com/csp/article/K37960100cnnvd
- https://vigilance.fr/vulnerability/F5-BIG-IP-AFM-memory-leak-via-HTTP-Security-Profile-34088cnnvd
- https://www.auscert.org.au/bulletins/ESB-2020.4379/cnnvd
- https://support.f5.com/csp/article/K37960100enisa_euvd
- https://support.f5.com/csp/article/K37960100Vendor Advisorynvd
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