Vulnerability · Published May 10, 2021 · Assigned by f5

CVE-2021-23013

High 7.5

In plain English

A high-severity security flaw in BIG-IP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 59% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)0.9%top 41.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

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 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.

Affected products (as reported)

Vendor	Product	Versions
n/a	BIG-IP	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

References

https://support.f5.com/csp/article/K04234247 x_refsource_MISC