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Critical severity · published Sep 14, 2021
CVE-2021-23031
On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may…
9.9
CVSS
2.8%
EPSS
No
On KEV
Description
On version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3, 14.1.x before 14.1.4.1, 13.1.x before 13.1.4, 12.1.x before 12.1.6, and 11.6.x before 11.6.5.3, an authenticated user may perform a privilege escalation on the BIG-IP Advanced WAF and ASM Configuration utility. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 86% 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
11.6.1 through 11.6.5.2; 12.1.0 through 12.1.5; 13.1.0 through 13.1.3; 14.1.0 through 14.1.4; 15.1.0 through 15.1.2; 16.0.0 through 16.0.1.1 · source: NVD
BA
Big-ip Application Security Manager · F5
11.6.1 through 11.6.5.2; 12.1.0 through 12.1.5; 13.1.0 through 13.1.3; 14.1.0 through 14.1.4; 15.1.0 through 15.1.2; 16.0.0 through 16.0.1.1 · source: NVD
Affected product
BA
Big-ip Advanced Web Application Firewall
F5
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23031
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23031
Mitigation
https://support.f5.com/csp/article/K41351250
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