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CVE-2020-12137 Details

Description

GNU Mailman 2.x before 2.1.30 uses the .obj extension for scrubbed application/octet-stream MIME parts. This behavior may contribute to XSS attacks against list-archive visitors, because an HTTP reply from an archive web server may lack a MIME type, and a web browser may perform MIME sniffing, conclude that the MIME type should have been text/html, and execute JavaScript code.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:6.1 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS	CVE	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html	CVE	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/	CVE
https://usn.ubuntu.com/4348-1/	CVE	Third Party Advisory
https://www.debian.org/security/2020/dsa-4664	CVE	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/24/2	CVE	Mailing ListThird Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/24/3	CVE	Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/24/3	CVE	Mailing ListThird Party Advisory
http://bazaar.launchpad.net/~mailman-coders/mailman/2.1/view/head:/NEWS	[email protected]	Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00047.html	[email protected]	Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00063.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/05/msg00002.html	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6YCMGTTOXXCVM4O6CYZLTZDX6YLYORNF/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/G4COSBBEMJYLV7WSW5QTUJUOFJFK47KK/	[email protected]
https://usn.ubuntu.com/4348-1/	[email protected]	Third Party Advisory
https://www.debian.org/security/2020/dsa-4664	[email protected]	Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/24/2	[email protected]	Mailing ListThird Party Advisory
https://www.openwall.com/lists/oss-security/2020/02/24/3	[email protected]	Mailing ListThird Party Advisory
http://www.openwall.com/lists/oss-security/2020/04/24/3	[email protected]	Mailing ListThird Party Advisory

see all 22 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-79	Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')	[email protected]

Affected Products

Product	Versions
gnu mailman	>= 2.0, < 2.1.30
CPE cpe:2.3:a:gnu:mailman:::::::: Remediation No remediation found in references.
debian debian linux	9.0 10.0 8.0
CPE cpe:2.3:o:debian:debian_linux:9.0:::::::* cpe:2.3:o:debian:debian_linux:10.0:::::::* cpe:2.3:o:debian:debian_linux:8.0:::::::* Remediation No remediation found in references.
fedoraproject fedora	31 32
CPE cpe:2.3:o:fedoraproject:fedora:31:::::::* cpe:2.3:o:fedoraproject:fedora:32:::::::* Remediation No remediation found in references.
canonical ubuntu linux	16.04 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:16.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
opensuse backports sle	15.0 sp2
CPE cpe:2.3:a:opensuse:backports_sle:15.0:sp2:::::: Remediation No remediation found in references.
opensuse leap	15.2
CPE cpe:2.3:o:opensuse:leap:15.2:::::::* Remediation No remediation found in references.

Change History

15 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Nov 16, 2022	Modified Analysis	[email protected]
Oct 27, 2020	CVE Modified	[email protected]
Oct 22, 2020	CVE Modified	[email protected]
Aug 18, 2020	CPE Deprecation Remap	[email protected]
May 15, 2020	CVE Modified	[email protected]
May 14, 2020	CVE Modified	[email protected]
May 6, 2020	CVE Modified	[email protected]
May 3, 2020	CVE Modified	[email protected]
Apr 28, 2020	Initial Analysis	[email protected]
Apr 27, 2020	CVE Modified	[email protected]
Apr 24, 2020	CVE Modified	[email protected]

CVE-2020-12137 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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