CVE-2021-42097

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-42097
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).

8.0 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.1 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

8.5 /10

CVSS v2.0 : HIGH

V2 Legend

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

Exploitability : 6.8 / Impact : 10.0

Access Vector NETWORK

Access Complexity MEDIUM

Authentication SINGLE

Confidentiality Impact COMPLETE

Integrity Impact COMPLETE

Availability Impact COMPLETE

References
Link Resource
http://www.openwall.com/lists/oss-security/2021/10/21/4 Mailing List Patch Third Party Advisory
https://bugs.launchpad.net/mailman/+bug/1947640 Patch Third Party Advisory
https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/
https://www.debian.org/security/2021/dsa-4991 Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
History

07 Nov 2023, 03:39

Type Values Removed Values Added
References
  • {'url': 'https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/', 'name': 'https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/', 'tags': ['Patch', 'Third Party Advisory'], 'refsource': 'CONFIRM'}
  • () https://mail.python.org/archives/list/mailman-announce%40python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ -

05 Nov 2021, 18:46

Type Values Removed Values Added
CVSS v2 : 9.3
v3 : 8.8 		v2 : 8.5
v3 : 8.0
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/21/4 - Patch, Third Party Advisory (MLIST) http://www.openwall.com/lists/oss-security/2021/10/21/4 - Mailing List, Patch, Third Party Advisory

26 Oct 2021, 01:28

Type Values Removed Values Added
References (DEBIAN) https://www.debian.org/security/2021/dsa-4991 - (DEBIAN) https://www.debian.org/security/2021/dsa-4991 - Third Party Advisory
References (CONFIRM) https://bugs.launchpad.net/mailman/+bug/1947640 - (CONFIRM) https://bugs.launchpad.net/mailman/+bug/1947640 - Patch, Third Party Advisory
References (MLIST) http://www.openwall.com/lists/oss-security/2021/10/21/4 - (MLIST) http://www.openwall.com/lists/oss-security/2021/10/21/4 - Patch, Third Party Advisory
References (CONFIRM) https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ - (CONFIRM) https://mail.python.org/archives/list/mailman-announce@python.org/thread/IKCO6JU755AP5G5TKMBJL6IEZQTTNPDQ/ - Patch, Third Party Advisory
CVSS v2 : unknown
v3 : unknown 		v2 : 9.3
v3 : 8.8
CWE CWE-352
CPE cpe:2.3:a:gnu:mailman:*:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

23 Oct 2021, 11:15

Type Values Removed Values Added
References
  • (DEBIAN) https://www.debian.org/security/2021/dsa-4991 -

21 Oct 2021, 21:15

Type Values Removed Values Added
References
  • (MLIST) http://www.openwall.com/lists/oss-security/2021/10/21/4 -

21 Oct 2021, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2021-10-21 01:15

Updated : 2023-12-10 14:09

NVD link : CVE-2021-42097

Mitre link : CVE-2021-42097

CVE.ORG link : CVE-2021-42097

JSON object : View

Products Affected

debian

  • debian_linux

gnu

  • mailman
CWE
CWE-352

Cross-Site Request Forgery (CSRF)