CVE-2020-12100
dovecot - security update
7.5
HIGH
CVSS 3.1
EPSS 19.6%
Description
In Dovecot before 2.3.11.3, uncontrolled recursion in submission, lmtp, and lda allows remote attackers to cause a denial of service (resource consumption) via a crafted e-mail message with deeply nested MIME parts.
How to fix CVE-2020-12100
To remediate CVE-2020-12100, upgrade the affected package to a fixed version below.
- Alpine/dovecot—upgrade to 2.3.11.3-r0 or later
- —upgrade to 1:2.3.11.3+dfsg1-1 or later
- —upgrade to 1:2.2.27-3+deb9u6 or later
- —upgrade to 1:2.3.4.1-5+deb10u3 or later
Is CVE-2020-12100 being exploited?
Moderate — EPSS is 19.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (4)
- from 0, < 2.3.11.3-r0
- from 0, < 1:2.3.11.3+dfsg1-1
- from 0, < 1:2.2.27-3+deb9u6
- from 0, < 1:2.3.4.1-5+deb10u3
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:N/A:H |