Vulnerability Report

CVE-2020-14928

Title: evolution-data-server STARTTLS Buffering Issue

Other

Proof Of Concept

No public PoC currently indexed for CVE-2020-14928.

CWE Category CWE-74
Published Date Jul 17, 2020
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 5.9 CVSS v3.1
Exploit Probability (EPSS)
2.81%

Vulnerability Summary

CVE-2020-14928: 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."

Impacted Vendors

G
go-evolution 1
G
gnome 1

Reference Links

https://bugzilla.suse.com/show_bug.cgi?id=1173910 https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226 https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/ https://security-tracker.debian.org/tracker/DLA-2281-1 https://security-tracker.debian.org/tracker/DSA-4725-1 https://usn.ubuntu.com/4429-1/ https://www.debian.org/security/2020/dsa-4725 https://bugzilla.suse.com/show_bug.cgi?id=1173910 https://gitlab.gnome.org/GNOME//evolution-data-server/commit/ba82be72cfd427b5d72ff21f929b3a6d8529c4df https://gitlab.gnome.org/GNOME/evolution-data-server/-/commit/f404f33fb01b23903c2bbb16791c7907e457fbac https://gitlab.gnome.org/GNOME/evolution-data-server/-/issues/226 https://lists.debian.org/debian-lts-announce/2020/07/msg00012.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QMBEZWA22EAYAZQWUX4KPEBER726KSIG/ https://security-tracker.debian.org/tracker/DLA-2281-1 https://security-tracker.debian.org/tracker/DSA-4725-1 https://usn.ubuntu.com/4429-1/ https://www.debian.org/security/2020/dsa-4725
CVSS v3.1
Source Entity [email protected]
Severity MEDIUM
5.9
Attack Vector
NETWORK
Complexity
HIGH
Privileges
N/A
Interaction
NONE
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
4.3
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:N/I:P/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2020-14928 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK
Complexity HIGH
Privileges N/A
Interaction NONE
CVSS Vector String CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected Stack

No specific products linked.