CVE-2020-10957
dovecot - security update
7.5
HIGH
CVSS 3.1
EPSS 23.6%
Description
In Dovecot before 2.3.10.1, unauthenticated sending of malformed parameters to a NOOP command causes a NULL Pointer Dereference and crash in submission-login, submission, or lmtp.
How to fix CVE-2020-10957
To remediate CVE-2020-10957, upgrade the affected package to a fixed version below.
- Alpine/dovecot—upgrade to 2.3.10.1-r0 or later
- Debian/dovecot—upgrade to 1:2.3.10.1+dfsg1-1 or later
- —upgrade to 1:2.3.4.1-5+deb10u2 or later
Is CVE-2020-10957 being exploited?
Moderate — EPSS is 23.6%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 2.3.10.1-r0
- from 0, < 1:2.3.10.1+dfsg1-1
- from 0, < 1:2.3.4.1-5+deb10u2
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 |