CVE-2019-3814 describes a vulnerability in Dovecot versions prior to 2.2.36.1 and 2.3.4.1, where incorrect handling of client certificates could allow a remote attacker with a valid certificate and an empty username field to impersonate other users. This medium-severity flaw (CVSS 6.8) has a network attack vector and high impact on confidentiality and integrity, but requires high attack complexity and low privileges. There is no evidence of active exploitation, public exploit code, or significant community discussion or media coverage for this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 1.1.0, < 2.2.36.1CPE matchmatch criteria | cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | ||
>= 2.3.0, < 2.3.4.1CPE matchmatch criteria | cpe:2.3:a:dovecot:dovecot:*:*:*:*:*:*:*:* | ||
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
16.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:H/PR:H/UI:N/S:C/C:H/I:H/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
dovecot: Improper certificate validation
Feb 5, 2019Suitable client certificate can be used to login as other user
Feb 5, 2019Suitable client certificate can be used to login as other user
Feb 5, 2019Suitable client certificate can be used to login as other user
Feb 5, 2019Suitable client certificate can be used to login as other user
Feb 5, 2019CVE-2019-3814: Suitable client certificate can be used to login as other user
Feb 5, 2019Suitable client certificate can be used to login as other user
Feb 5, 2019CVE-2019-3814: Suitable client certificate can be used to login as other user
Feb 5, 2019