CVE-2020-12108

Name: CVE-2020-12108
Creator: NVD / NIST
Published: 2020-05-06T15:15:11.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.5/10EPSS 2.70%

Last modified Jun 17, 2026

CVE-2020-12108 is a medium-severity vulnerability rated 6.5/10 on the CVSS scale. /options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.. EPSS estimates a 2.70% chance of exploitation in the next 30 days.

Description

/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.

Metrics

CVSS 3.1

6.5/10

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

EPSS Probability

2.70%

84.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-74

Affected Software

Vendor	Product	Versions	Update
Gnu	Mailman	< 2.1.31	—
Debian	Debian Linux	9.0	—
Debian	Debian Linux	10.0	—
Fedoraproject	Fedora	31	—
Opensuse	Backports Sle	15.0	Sp1
Opensuse	Leap	15.1	—
Opensuse	Leap	15.2	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	18.04	—

References

http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00036.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00003.htmlMailing List, Third 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/1873722Exploit, Issue Tracking, Patch, Third Party Advisory
https://code.launchpad.net/mailmanThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00007.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00007.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74EQIVFB34Q4UYAQLCUWG55YLKAUWCHD/
https://mail.python.org/pipermail/mailman-announce/Release Notes, Third Party Advisory
https://usn.ubuntu.com/4354-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4991Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00036.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00003.htmlMailing List, Third 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/1873722Exploit, Issue Tracking, Patch, Third Party Advisory
https://code.launchpad.net/mailmanThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00007.htmlThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/07/msg00007.htmlMailing List, Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/74EQIVFB34Q4UYAQLCUWG55YLKAUWCHD/
https://mail.python.org/pipermail/mailman-announce/Release Notes, Third Party Advisory
https://usn.ubuntu.com/4354-1/Third Party Advisory
https://www.debian.org/security/2021/dsa-4991Third Party Advisory

Timeline

Published: May 6, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-12108?

/options/mailman in GNU Mailman before 2.1.31 allows Arbitrary Content Injection.

How severe is CVE-2020-12108?

CVE-2020-12108 has a CVSS score of 6.5/10 (MEDIUM severity). The EPSS model estimates a 2.70% probability of exploitation in the next 30 days.

How do I fix CVE-2020-12108?

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-2020-12108?

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

Scan your code now

Source: NVD / NIST