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CVE-2021-42097

Public on 2021-10-21
Modified on 2022-01-18
Description

A Cross-Site Request Forgery (CSRF) attack can be performed in mailman due to a CSRF token bypass. CSRF tokens are not checked against the right user and a token created by one user can be used by another one to perform a request, effectively bypassing the protection provided by CSRF tokens. A remote attacker with an account on the mailman system can use this flaw to perform a CSRF attack and perform operations on behalf of the victim user.

Severity
Important
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CVSS v3 Base Score
8.0
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 2 - Core mailman 2022-01-18 21:37 ALAS2-2022-1740

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
NVD CVSSv2 8.5 AV:N/AC:M/Au:S/C:C/I:C/A:C
NVD CVSSv3 8.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H

References

Red Hat: CVE-2021-42097 Mitre: CVE-2021-42097 FAQs regarding Amazon Linux ALAS/CVE Severity