VDB

CVE-2019-10190

CVE-2019-10190 PUBLISHED CVSS 7.5 HIGH

A vulnerability was discovered in DNS resolver component of knot resolver through version 3.2.0 before 4.1.0 which allows remote attackers to bypass DNSSEC validation for non-existence answer. NXDOMAIN answer would get passed through to the client even if its DNSSEC validation failed, instead of sending a SERVFAIL packet. Caching is not affected by this particular bug but see CVE-2019-10191.

EPSS 1.99% · 80.5th percentile

Risk Scores

CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
EPSS Score
1.99%
80.5th percentile

Affected Products

VendorProductVersions
Ubuntu:20.04:LTSknot-resolver0, 3.2.1-3, 3.2.1-3ubuntu1

Timeline

  • Jul 10, 2019 CVE Published
  • Apr 14, 2021 EPSS Score
  • Jun 23, 2021 EPSS Score
  • Aug 25, 2021 EPSS Score
  • Dec 30, 2021 EPSS Score
  • Jan 6, 2022 EPSS Score
  • Feb 4, 2022 EPSS Score
  • Mar 3, 2022 EPSS Score
  • May 5, 2022 EPSS Score
  • Jul 7, 2022 EPSS Score
  • Sep 9, 2022 EPSS Score
  • Nov 11, 2022 EPSS Score
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