Cyber Resilience

CVE-2021-23043

Medium

Published: 14 September 2021

Published
14 September 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
EPSS Score 0.0035 57.8th percentile
Risk Priority 13 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23043 is a medium-severity Path Traversal (CWE-22) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 6.5 (Medium).

Operationally, ranked in the top 42.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

have reached End of Technical Support (EoTS) are not evaluated.

CWE(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

f5
big-ip access policy manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip advanced firewall manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip analytics
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip application acceleration manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip application security manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip domain name system
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip fraud protection service
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip global traffic manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip link controller
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
f5
big-ip local traffic manager
11.6.0 — 11.6.5 · 12.1.0 — 12.1.6 · 13.1.0 — 13.1.4
+1 more product configuration(s) — see NVD for full list

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-22

Validates pathnames and filenames to prevent traversal outside intended directories.

References