Medium severity · published Sep 14, 2021
CVE-2021-23043
On BIG-IP, on all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a directory traversal vulnerability exists in an undisclosed page of the BIG-IP…
6.5
CVSS
2%
EPSS
No
On KEV
Description
On BIG-IP, on all versions of 16.1.x, 16.0.x, 15.1.x, 14.1.x, 13.1.x, 12.1.x, and 11.6.x, a directory traversal vulnerability exists in an undisclosed page of the BIG-IP Configuration utility that allows an attacker to access arbitrary files. 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:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.0% · higher than 81% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BA
Big-ip Access Policy Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BA
Big-ip Advanced Firewall Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BA
Big-ip Analytics · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BA
Big-ip Application Acceleration Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BA
Big-ip Application Security Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BD
Big-ip Domain Name System · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BF
Big-ip Fraud Protection Service · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BG
Big-ip Global Traffic Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BL
Big-ip Link Controller · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BL
Big-ip Local Traffic Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
BP
Big-ip Policy Enforcement Manager · F5
11.6.0 through 11.6.5; 12.1.0 through 12.1.6; 13.1.0 through 13.1.4; 14.1.0 through 14.1.4; 15.1.0 through 15.1.3; 16.0.0 through 16.1.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-23043
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-23043
Vendor Advisory
https://support.f5.com/csp/article/K63163637
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