CVE Vulnerabilities

CVE-2020-27721

Published: Dec 24, 2020 | Modified: Dec 28, 2020
CVSS 3.x
7.5
HIGH
Source:
NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS 2.x
4.3 MEDIUM
AV:N/AC:M/Au:N/C:N/I:N/A:P
RedHat/V2
RedHat/V3
Ubuntu

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.

Affected Software

Name Vendor Start Version End Version
Big-ip_domain_name_system F5 11.6.1 (including) 11.6.5 (including)
Big-ip_domain_name_system F5 12.1.0 (including) 12.1.5 (including)
Big-ip_domain_name_system F5 13.1.0 (including) 13.1.3 (including)
Big-ip_domain_name_system F5 14.1.0 (including) 14.1.3.1 (excluding)
Big-ip_domain_name_system F5 15.0.0 (including) 15.1.2 (excluding)
Big-ip_domain_name_system F5 16.0.0 (including) 16.0.1 (excluding)
Big-ip_global_traffic_manager F5 11.6.1 (including) 11.6.5 (including)
Big-ip_global_traffic_manager F5 12.1.0 (including) 12.1.5 (including)
Big-ip_global_traffic_manager F5 13.1.0 (including) 13.1.3 (including)
Big-ip_global_traffic_manager F5 14.1.0 (including) 14.1.3.1 (excluding)
Big-ip_global_traffic_manager F5 15.0.0 (including) 15.1.2 (excluding)
Big-ip_global_traffic_manager F5 16.0.0 (including) 16.0.1 (excluding)

References