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Debian Security Bug TrackerDEBIANCVE:CVE-2021-42097

HistoryOct 21, 2021 - 1:15 a.m.

CVE-2021-42097

2021-10-2101:15:06

Debian Security Bug Tracker

security-tracker.debian.org

mailman

privilege escalation

csrf

unix

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

66.2%

JSON

GNU Mailman before 2.1.35 may allow remote Privilege Escalation. A csrf_token value is not specific to a single user account. An attacker can obtain a value within the context of an unprivileged user account, and then use that value in a CSRF attack against an admin (e.g., for account takeover).

OSVersionArchitecturePackageVersionFilename
Debian10allmailman< 1:2.1.29-1+deb10u2mailman_1:2.1.29-1+deb10u2_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	10	all	mailman	< 1:2.1.29-1+deb10u2	mailman_1:2.1.29-1+deb10u2_all.deb

CVSS2

8.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

COMPLETE

Integrity Impact

COMPLETE

Availability Impact

COMPLETE

AV:N/AC:M/Au:S/C:C/I:C/A:C

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

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

EPSS

0.003

Percentile

66.2%

JSON

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