Cyber Resilience

CVE-2021-23013

High

Published: 10 May 2021

Published
10 May 2021
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score 0.0080 74.5th percentile
Risk Priority 15 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2021-23013 is a high-severity an unspecified weakness vulnerability in F5 Big-Ip Access Policy Manager. Its CVSS base score is 7.5 (High).

Operationally, ranked in the top 25.5% 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 15.1.3, 14.1.x before 14.1.4, 13.1.x before 13.1.3.6, and 12.1.x before 12.1.5.3, the Traffic Management Microkernel (TMM) may stop responding when processing Stream Control Transmission Protocol (SCTP) traffic under certain conditions. This vulnerability…

more

affects TMM by way of a virtual server configured with an SCTP profile. Note: Software versions which 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
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip advanced firewall manager
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip advanced web application firewall
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip analytics
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip application acceleration manager
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip application security manager
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip ddos hybrid defender
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip domain name system
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip fraud protection service
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
f5
big-ip global traffic manager
12.1.0 — 12.1.5.3 · 13.1.0 — 13.1.4 · 14.1.0 — 14.1.4
+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