CVE-2021-37862

Published on: 12/17/2021 12:00:00 AM UTC

Last Modified on: 12/27/2021 07:24:00 PM UTC

CVE-2021-37862 - advisory for MMSA-2021-0074

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:L/A:N

Certain versions of Mattermost Server from Mattermost contain the following vulnerability:

Mattermost 6.0 and earlier fails to sufficiently validate the email address during registration, which allows attackers to trick users into signing up using attacker-controlled email addresses via crafted invitation token.

  • CVE-2021-37862 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 <= 6.0

CVSS3 Score: 5.4 - MEDIUM

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

CVSS2 Score: 5.8 - MEDIUM

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

CVE References

Description Tags ⓘ Link
HackerOne hackerone.com
text/html
 URL Logo MISC hackerone.com/reports/1357013
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
ApplicationMattermostMattermost ServerAllAllAllAll
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*:

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