CVE-2021-42096

Published: 21 October 2021

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.

Priority

Cvss 3 Severity Score

4.3

Score breakdown

Status

Package	Release	Status
mailman Launchpad, Ubuntu, Debian	bionic	Released (1:2.1.26-1ubuntu0.4)
	focal	Released (1:2.1.29-1ubuntu3.1)
	upstream	Released (2.1.35)
	xenial	Released (1:2.1.20-1ubuntu0.6+esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	Patches: upstream: https://bazaar.launchpad.net/~mailman-coders/mailman/2.1/revision/1873

Severity score breakdown

Parameter	Value
Base score	4.3
Attack vector	Network
Attack complexity	Low
Privileges required	Low
User interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity impact	None
Availability impact	None
Vector	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

References

Bugs

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