CVE-2019-3814
dovecot - security update
6.8
MEDIUM
CVSS 3.1
EPSS 1.6%
Description
It was discovered that Dovecot before versions 2.2.36.1 and 2.3.4.1 incorrectly handled client certificates. A remote attacker in possession of a valid certificate with an empty username field could possibly use this issue to impersonate other users.
How to fix CVE-2019-3814
To remediate CVE-2019-3814, upgrade the affected package to a fixed version below.
- Alpine/dovecot—upgrade to 2.3.4.1-r0 or later
- —upgrade to 1:2.3.4.1-1 or later
- —upgrade to 1:2.2.13-12~deb8u5 or later
- —upgrade to 1:2.2.27-3+deb9u3 or later
Is CVE-2019-3814 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 2.3.4.1-r0
- from 0, < 1:2.3.4.1-1
- from 0, < 1:2.2.13-12~deb8u5
- from 0, < 1:2.2.27-3+deb9u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.8 | CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N |