CWE
352 307
Advisory Published
Updated

CVE-2021-42096: CSRF

First published: Thu Oct 21 2021(Updated: )

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A certain csrf_token value is derived from the admin password, and may be useful in conducting a brute-force attack against that password.

Credit: cve@mitre.org cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
GNU Mailman<2.1.35
Debian Debian Linux=10.0
debian/mailman
<2.1.35
=10.0

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Frequently Asked Questions

  • What is CVE-2021-42096?

    CVE-2021-42096 is a vulnerability in GNU Mailman before version 2.1.35 that may allow remote Privilege Escalation through a brute-force attack against the admin password.

  • What is the severity of CVE-2021-42096?

    The severity of CVE-2021-42096 is medium with a CVSS severity score of 4.3.

  • Which software versions are affected by CVE-2021-42096?

    CVE-2021-42096 affects GNU Mailman versions before 2.1.35.

  • How can I fix CVE-2021-42096?

    To fix CVE-2021-42096, you should update GNU Mailman to version 2.1.35 or newer.

  • Where can I find more information about CVE-2021-42096?

    You can find more information about CVE-2021-42096 on the MITRE website (https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-42096), the Python Mailman mailing list (https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/), and the OSS Security mailing list (https://www.openwall.com/lists/oss-security/2021/10/21/4).

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