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Case File

CVE-2020-27721

HIGH · CVSS 7.5 EPSS 1.00%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2020-12-24 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.5. It affects BIG-IP.

CVE
CVE-2020-27721
Severity
HIGH
CVSS
7.5
EPSS
1.00%
BIG-IP

Original NVD Description

In versions 16.0.0-16.0.0.1, 15.1.0-15.1.1, 14.1.0-14.1.3, 13.1.0-13.1.3.5, 12.1.0-12.1.5.2, and 11.6.1-11.6.5.2, in a BIG-IP DNS / BIG-IP LTM GSLB deployment, under certain circumstances, the BIG-IP DNS system may stop using a BIG-IP LTM virtual server for DNS response.

Related CVEs

Other vulnerabilities affecting the same vendor(s)