CVE-2020-27721 — F5 Big-ip Domain Name System vulnerability

4 documents4 sources

Severity

7.5HIGHNVD

EPSS

0.6%

top 29.21%

CISA KEV

Not in KEV

Exploit

No known exploits

Affected products

F5 Big-ip Domain Name System F5 Big-ip Global Traffic Manager

Timeline

PublishedDec 24

Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages2 packages

▶NVDf5/big-ip_domain_name_system14.1.0 — 14.1.3.1+5

▶NVDf5/big-ip_global_traffic_manager14.1.0 — 14.1.3.1+5

🔴Vulnerability Details

GHSA

GHSA-7456-9w6m-v94r: In versions 16↗2022-05-24

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CVEList

CVE-2020-27721: In versions 16↗2020-12-24

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📋Vendor Advisories

CVE-2020-27721: In versions 16↗2020-12-24

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