CVE-2020-15011

Name: CVE-2020-15011
Creator: NVD / NIST
Published: 2020-06-24T12:15:10.863+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.3/10EPSS 1.89%

Last modified Jun 17, 2026

CVE-2020-15011 is a medium-severity vulnerability rated 4.3/10 on the CVSS scale. GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.. EPSS estimates a 1.89% chance of exploitation in the next 30 days.

Description

GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.

Metrics

CVSS 3.1

4.3/10

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

EPSS Probability

1.89%

76.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions
Gnu	Mailman	< 2.1.33
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Debian	Debian Linux	8.0
Debian	Debian Linux	9.0
Debian	Debian Linux	10.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.htmlMailing List, Third Party Advisory
https://bugs.launchpad.net/mailman/+bug/1877379Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00007.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4406-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4991Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.htmlMailing List, Third Party Advisory
https://bugs.launchpad.net/mailman/+bug/1877379Issue Tracking, Patch, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/06/msg00036.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00007.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4406-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4991Third Party Advisory

Timeline

Published: Jun 24, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-15011?

GNU Mailman before 2.1.33 allows arbitrary content injection via the Cgi/private.py private archive login page.

How severe is CVE-2020-15011?

CVE-2020-15011 has a CVSS score of 4.3/10 (MEDIUM severity). The EPSS model estimates a 1.89% probability of exploitation in the next 30 days.

How do I fix CVE-2020-15011?

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-2020-15011?

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

Scan your code now

Source: NVD / NIST