High severity · published Nov 5, 2020
CVE-2020-5946
In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP…
7.5
CVSS
1%
EPSS
No
On KEV
Description
In BIG-IP Advanced WAF and FPS versions 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, and 14.1.0-14.1.2.7, under some circumstances, certain format client-side alerts sent to the BIG-IP virtual server configured with DataSafe may cause the Traffic Management Microkernel (TMM) to restart, resulting in a Denial-of-Service (DoS).
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 64% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Advanced Web Application Firewall · F5
14.1.0 before 14.1.2.8; after 15.1.0 before 15.1.1; 16.0.0 before 16.0.1 · source: NVD
BF
Big-ip Fraud Protection Service · F5
14.1.0 before 14.1.2.8; 15.1.0 before 15.1.1; 16.0.0 before 16.0.1 · source: NVD
Affected product
BA
Big-ip Advanced Web Application Firewall
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-5946
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-5946
Vendor Advisory
https://support.f5.com/csp/article/K53821711
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