CVE-2020-14954
5.9
MEDIUM
CVSS 3.1
EPSS 4.8%
Description
Mutt before 1.14.4 and NeoMutt before 2020-06-19 have a STARTTLS buffering issue that affects IMAP, SMTP, and POP3. When a server sends a "begin TLS" response, the client reads additional data (e.g., from a man-in-the-middle attacker) and evaluates it in a TLS context, aka "response injection."
How to fix CVE-2020-14954
To remediate CVE-2020-14954, upgrade the affected package to a fixed version below.
- Debian/mutt—upgrade to 1.14.4-1 or later
- —upgrade to 20200619+dfsg.1-1 or later
Is CVE-2020-14954 being exploited?
Low — EPSS is 4.8%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 1.14.4-1
- from 0, < 20200619+dfsg.1-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N |