High severity · published Nov 5, 2020
CVE-2020-5942
In BIG-IP PEM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when processing Capabilities-Exchange-Answer (CEA)…
7.5
CVSS
1%
EPSS
No
On KEV
Description
In BIG-IP PEM versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.2.7, 13.1.0-13.1.3.4, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, when processing Capabilities-Exchange-Answer (CEA) packets with certain attributes from the Policy and Charging Rules Function (PCRF) server, the Traffic Management Microkernel (TMM) may generate a core file and restart.
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)1.0% · higher than 63% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BP
Big-ip Policy Enforcement Manager · F5
11.6.1 through 11.6.5.2; 12.1.0 through 12.1.5.2; 13.1.0 through 13.1.3.4; 14.1.0 before 14.1.2.8; 15.1.0 before 15.1.1; 16.0.0 before 16.0.1 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5942
Vendor Advisory
https://support.f5.com/csp/article/K82530456
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