CVE-2021-37864

Published on: 01/18/2022 12:00:00 AM UTC

Last Modified on: 10/27/2022 11:44:00 AM UTC

CVE-2021-37864 - advisory for MMSA-2021-0076

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:N

Certain versions of Mattermost from Mattermost contain the following vulnerability:

Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived channels, which allows authenticated users to view contents of archived channels even when this is denied by system administrators by directly accessing the APIs.

  • CVE-2021-37864 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version < 6.2

CVSS3 Score: 6.5 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED HIGH NONE NONE

CVSS2 Score: 4 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW SINGLE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL NONE NONE

CVE References

Description Tags ⓘ Link
Security Updates - Mattermost Open Source Collaboration Platform mattermost.com
text/html
 URL Logo MISC mattermost.com/security-updates/
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMattermostMattermostAllAllAllAll
  • cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
Twitter Icon @CVEreport CVE-2021-37864 : Mattermost 6.1 and earlier fails to sufficiently validate permissions while viewing archived chann… twitter.com/i/web/status/1… 2022-01-18 17:16:01
Reddit Logo Icon /r/netcve CVE-2021-37864 2022-01-18 17:39:03
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