Cyber Resilience

CVE-2021-22974

High

Published: 12 February 2021

Published
12 February 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0033 56.0th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22974 is a high-severity Race Condition (CWE-362) vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 44.0% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

On BIG-IP version 16.0.x before 16.0.1.1, 15.1.x before 15.1.2, 14.1.x before 14.1.3.1, and 13.1.x before 13.1.3.6 and all versions of BIG-IQ 7.x and 6.x, an authenticated attacker with access to iControl REST over the control plane may be able to…

more

take advantage of a race condition to execute commands with an elevated privilege level. This vulnerability is due to an incomplete fix for CVE-2017-6167. Note: Software versions which have reached End of Software Development (EoSD) 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
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip advanced firewall manager
13.1.0 — 13.1.3.5 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip advanced web application firewall
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip analytics
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip application acceleration manager
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip application security manager
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip ddos hybrid defender
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip domain name system
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip fraud protection service
13.1.0 — 13.1.3.5 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
f5
big-ip global traffic manager
13.1.0 — 13.1.3.6 · 14.1.0 — 14.1.3.1 · 15.1.0 — 15.1.2
+5 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-362

Accurate timestamps from internal clocks enable detection of race conditions by providing reliable event ordering in audit logs.

addresses: CWE-362

Coordination of concurrent security activities reduces the probability that shared resources will be accessed simultaneously without proper synchronization.

References