Vulnerability · Published Nov 5, 2020 · Assigned by f5

CVE-2020-5941

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 1.0% (higher than 64% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.0%top 35.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

On BIG-IP versions 16.0.0-16.0.0.1 and 15.1.0-15.1.0.5, using the RESOLV::lookup command within an iRule may cause the Traffic Management Microkernel (TMM) to generate a core file and restart. This issue occurs when data exceeding the maximum limit of a hostname passes to the RESOLV::lookup command.

Affected products (as reported)

VendorProductVersions
n/a BIG-IP 16.0.0-16.0.0.1, 15.1.0-15.1.0.5

References