CVE-2019-10191
7.5
HIGH
CVSS 3.1
EPSS 0.26%
Description
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.
How to fix CVE-2019-10191
To remediate CVE-2019-10191, upgrade the affected package to a fixed version below.
- Debian/knot-resolver—upgrade to 5.0.1-1 or later
Is CVE-2019-10191 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 5.0.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |