VDB

CVE-2019-10191

CVE-2019-10191 PUBLISHED

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.

EPSS 0.26% · 49.7th percentile

Risk Scores

EPSS Score
0.26%
49.7th percentile

Affected Products

VendorProductVersions
Ubuntu:Pro:18.04:LTSknot-resolver2.1.1-1, 2.1.0-2, 1.5.2-1
Ubuntu:20.04:LTSknot-resolver3.2.1-3ubuntu2, 3.2.1-3ubuntu2.1, 0
Ubuntu:Pro:16.04:LTSknot-resolver0, 1.0.0~beta3-1ubuntu0.1~esm1, 1.0.0~beta2-123-g6134920-1

Timeline

  • Jul 10, 2019 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 22, 2021 EPSS Score
  • Aug 24, 2021 EPSS Score
  • Dec 27, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Feb 27, 2022 EPSS Score
  • Apr 1, 2022 EPSS Score
  • May 1, 2022 EPSS Score
  • Sep 4, 2022 EPSS Score
  • Nov 5, 2022 EPSS Score
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