CVE-2020-15954

Name: CVE-2020-15954
Creator: NVD / NIST
Published: 2020-07-27T07:15:11.113+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 0.65%

Last modified Jun 17, 2026

CVE-2020-15954 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use.. EPSS estimates a 0.65% chance of exploitation in the next 30 days.

Description

KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

0.65%

46.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-319

Affected Software

Vendor	Product	Versions
Kde	Kmail	19.12.3
Debian	Debian Linux	9.0

References

https://bugs.kde.org/show_bug.cgi?id=423426Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00030.htmlThird Party Advisory
https://bugs.kde.org/show_bug.cgi?id=423426Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00030.htmlThird Party Advisory

Timeline

Published: Jul 27, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15954?

KDE KMail 19.12.3 (aka 5.13.3) engages in unencrypted POP3 communication during times when the UI indicates that encryption is in use.

How severe is CVE-2020-15954?

CVE-2020-15954 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 0.65% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15954?

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-2020-15954?

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

Scan your code now

Source: NVD / NIST