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cveMitreCVE-2021-42097
HistoryOct 21, 2021 - 1:15 a.m.

CVE-2021-42097

2021-10-2101:15:06
CWE-352
mitre
web.nvd.nist.gov
184
cve-2021-42097
gnu mailman
privilege escalation
csrf
nvd

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

8

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

AI Score

7.5

Confidence

High

EPSS

0.003

Percentile

66.2%

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).

Affected configurations

Nvd
Node
gnumailmanRange<2.1.35
Node
debiandebian_linuxMatch10.0
VendorProductVersionCPE
gnumailman*cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
debiandebian_linux10.0cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

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

8

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

AI Score

7.5

Confidence

High

EPSS

0.003

Percentile

66.2%