Vulnerability · Published Sep 14, 2021 · Assigned by f5

CVE-2021-23048

High 7.5

In plain English

A high-severity improper input validation 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 1.0% (higher than 62% of all known vulnerabilities).

Severity (CVSS NVD)7.5High

Exploit odds (30 days)1.0%top 38.3% of all CVEs

Exploited in the wildNo reportsnot in CISA KEV

Attack toolingNoneno public tooling known

Official description

On BIG-IP version 16.0.x before 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x, when GPRS Tunneling Protocol (GTP) iRules commands or a GTP profile is configured on a virtual server, undisclosed GTP messages can cause the Traffic Management Microkernel (TMM) to terminate. 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 16.0.1.2, 15.1.x before 15.1.3.1, 14.1.x before 14.1.4.3, 13.1.x before 13.1.4.1, and all versions of 12.1.x and 11.6.x

Weakness: CWE-20

References

https://support.f5.com/csp/article/K19012930 x_refsource_MISC