Cyber Resilience

CVE-2021-23012

High

Published: 10 May 2021

Published
10 May 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 8.2 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS Score 0.0019 40.7th percentile
Risk Priority 17 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23012 is a high-severity OS Command Injection (CWE-78) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 8.2 (High).

Operationally, ranked at the 40.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

On BIG-IP versions 16.0.x before 16.0.1.1, 15.1.x before 15.1.3, 14.1.x before 14.1.4, and 13.1.x before 13.1.4, lack of input validation for items used in the system support functionality may allow users granted either "Resource Administrator" or "Administrator" roles to execute…

more

arbitrary bash commands on BIG-IP. Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

CWE(s)
CWE-78

Related Threats

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

Affected Assets

f5
big-ip access policy manager
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip advanced firewall manager
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip advanced web application firewall
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip analytics
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip application acceleration manager
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip application security manager
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip ddos hybrid defender
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip domain name system
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip fraud protection service
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
f5
big-ip global traffic manager
13.1.0 — 13.1.4 · 14.1.0 — 14.1.4 · 15.1.0 — 15.1.3
+4 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.

SC-27 Platform-independent Applications
addresses: CWE-78

Platform-independent apps typically execute inside a managed runtime or sandbox that restricts direct OS command execution, reducing the ability to exploit OS command injection.

SI-10 Information Input Validation
addresses: CWE-78

Validates inputs to block special elements that would alter OS command execution.

References