High severity · published Dec 11, 2020
CVE-2020-27713
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…
7.5
CVSS
1.3%
EPSS
No
On KEV
Description
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.3% · higher than 70% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Advanced Firewall Manager · F5
13.1.3.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-27713
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-27713
Vendor Advisory
https://support.f5.com/csp/article/K37960100
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