CVE-2021-42096

2021-10-2100:00:00

ubuntu.com

mailman

2.1.35

cve-2021-42096

remote

privilege escalation

csrf_token

admin password

brute-force attack

unix

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

SINGLE

Confidentiality Impact

PARTIAL

Integrity Impact

NONE

Availability Impact

NONE

AV:N/AC:L/Au:S/C:P/I:N/A:N

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

NONE

Availability Impact

NONE

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

EPSS

0.004

Percentile

71.9%

JSON

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.

Bugs

OSVersionArchitecturePackageVersionFilename
ubuntu18.04noarchmailman< 1:2.1.26-1ubuntu0.4UNKNOWN
ubuntu20.04noarchmailman< 1:2.1.29-1ubuntu3.1UNKNOWN
ubuntu16.04noarchmailman< 1:2.1.20-1ubuntu0.6+esm1UNKNOWN

OS	Version	Architecture	Package	Version	Filename
ubuntu	18.04	noarch	mailman	< 1:2.1.26-1ubuntu0.4	UNKNOWN
ubuntu	20.04	noarch	mailman	< 1:2.1.29-1ubuntu3.1	UNKNOWN
ubuntu	16.04	noarch	mailman	< 1:2.1.20-1ubuntu0.6+esm1	UNKNOWN