CVE-2020-27717

HIGH

BIG-IP DNS 12.1.0-12.1.5.2, 13.1.0-13.1.3.4, 14.1.0-14.1.3, 15.1.0-15.1.0.5, 16.0.0-16.0.0.1 DoS via DNS Requests

Title source: llm
STIX 2.1

Description

On BIG-IP DNS 16.0.0-16.0.0.1, 15.1.0-15.1.0.5, 14.1.0-14.1.3, 13.1.0-13.1.3.4, and 12.1.0-12.1.5.2, undisclosed series of DNS requests may cause TMM to restart and generate a core file.

References (1)

Core 1
Core References
Vendor Advisory x_refsource_misc
https://support.f5.com/csp/article/K43850230

Scores

CVSS v3 7.5
EPSS 0.0092
EPSS Percentile 76.2%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

Status published
Products (1)
f5/big-ip_domain_name_system 12.1.0 - 12.1.5
Published Dec 24, 2020
Tracked Since Feb 18, 2026