CVE-2017-11104

PoC —

CVSS 3.1

5.9 medium

EPSS

3%p85

Published

Jul 8, 2017 (Jul 8, 2017)

Modified

Jun 17, 2026

Description

Knot DNS before 2.4.5 and 2.5.x before 2.5.2 contains a flaw within the TSIG protocol implementation that would allow an attacker with a valid key name and algorithm to bypass TSIG authentication if no additional ACL restrictions are set, because of an improper TSIG validity period check.

Vendors: knot-dns debian
Products: knot dns, debian linux
Weakness: CWE-20
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

NVD CVE.org GitHub PoCs EPSS (2.7%)

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