CVE-2019-10191 MEDIUM

CVE-2019-10191

Vendor Cz.nic
Product knot-resolver
Weakness CWE-20 · Input validation
Published July 16, 2019
Last update February 13, 2025
View on NVD All CVEs

CVSS base score

6.3/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

A vulnerability was discovered in DNS resolver of knot resolver before version 4.1.0 which allows remote attackers to downgrade DNSSEC-secure domains to DNSSEC-insecure state, opening possibility of domain hijack using attacks against insecure DNS protocol.

Key dates

02Disclosure timeline

July 16, 2019 CVE published
February 13, 2025 Record updated