Cyber Resilience

CVE-2021-22998

Medium

Published: 31 March 2021

Published
31 March 2021
Modified
21 November 2024
KEV Added
—
Patch
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CVSS Score v3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0063 70.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-22998 is a medium-severity an unspecified weakness vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 5.3 (Medium).

Operationally, ranked in the top 29.3% of CVEs by exploit likelihood; 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 15.1.2.1, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, 12.1.x before 12.1.5.3, and 11.6.x before 11.6.5.3, SYN flood protection thresholds are not enforced in secure network address translation (SNAT) listeners. Note: Software versions which…

more

have reached End of Software Development (EoSD) are not evaluated.

CWE(s)
NVD-CWE-noinfo

Related Threats

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

Affected Assets

f5
big-ip access policy manager
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip advanced firewall manager
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip advanced web application firewall
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip analytics
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip application acceleration manager
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip application security manager
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip ddos hybrid defender
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip domain name system
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip fraud protection service
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
f5
big-ip global traffic manager
11.6.1 — 11.6.5.3 · 12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.3.6
+4 more product configuration(s) — see NVD for full list

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References