CVE-2020-14928

Name: CVE-2020-14928
Creator: NVD / NIST
Published: 2020-07-17T16:15:11.387+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.9/10EPSS 2.81%

Last modified Jun 17, 2026

CVE-2020-14928 is a medium-severity vulnerability rated 5.9/10 on the CVSS scale. evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection.". EPSS estimates a 2.81% chance of exploitation in the next 30 days.

Description

evolution-data-server (eds) through 3.36.3 has a STARTTLS buffering issue that affects SMTP and POP3. When a server sends a "begin TLS" response, eds reads additional data and evaluates it in a TLS context, aka "response injection."

Metrics

CVSS 3.1

5.9/10

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability

2.81%

84.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Gnome	Evolution-Data-Server	<= 3.36.3
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0
Fedoraproject	Fedora	31
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04

References

https://bugzilla.suse.com/show_bug.cgi?id=1173910Issue Tracking, Patch, Third Party Advisory
https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4dfPatch, Third Party Advisory
https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbacPatch, Third Party Advisory
https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/
https://security-tracker.debian.org/tracker/DLA-2281-1Third Party Advisory
https://security-tracker.debian.org/tracker/DSA-4725-1Third Party Advisory
https://usn.ubuntu.com/4429-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4725Third Party Advisory
https://bugzilla.suse.com/show_bug.cgi?id=1173910Issue Tracking, Patch, Third Party Advisory
https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4dfPatch, Third Party Advisory
https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbacPatch, Third Party Advisory
https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226Exploit, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00012.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/
https://security-tracker.debian.org/tracker/DLA-2281-1Third Party Advisory
https://security-tracker.debian.org/tracker/DSA-4725-1Third Party Advisory
https://usn.ubuntu.com/4429-1/Third Party Advisory
https://www.debian.org/security/2020/dsa-4725Third Party Advisory

Timeline

Published: Jul 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14928?

How severe is CVE-2020-14928?

CVE-2020-14928 has a CVSS score of 5.9/10 (MEDIUM severity). The EPSS model estimates a 2.81% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14928?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14928?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST