CVE-2021-37863

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

Last Modified on: 12/21/2021 05:29:00 PM UTC

CVE-2021-37863 - advisory for MMSA-2021-0075

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

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

Mattermost 6.0 and earlier fails to sufficiently validate parameters during post creation, which allows authenticated attackers to cause a client-side crash of the web application via a maliciously crafted post.

  • CVE-2021-37863 has been assigned by URL Logo responsibledisclosure@mattermost.com to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo Mattermost - Mattermost version <= 6.0

CVSS3 Score: 5.7 - MEDIUM

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

CVSS2 Score: 3.5 - LOW

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

CVE References

Description Tags ⓘ Link
HackerOne hackerone.com
text/html
 URL Logo MISC hackerone.com/reports/1253732
Security Updates - Mattermost Open Source Collaboration Platform mattermost.com
text/html
 URL Logo MISC mattermost.com/security-updates/
By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationMattermostMattermost ServerAllAllAllAll
  • cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*:

Social Mentions

Source Title Posted (UTC)
© CVE.report 2023 Twitter Nitter Twitter Viewer |

Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. It is the responsibility of user to evaluate the accuracy, completeness or usefulness of any information, opinion, advice or other content. EACH USER WILL BE SOLELY RESPONSIBLE FOR ANY consequences of his or her direct or indirect use of this web site. ALL WARRANTIES OF ANY KIND ARE EXPRESSLY DISCLAIMED. This site will NOT BE LIABLE FOR ANY DIRECT, INDIRECT or any other kind of loss.

CVE, CWE, and OVAL are registred trademarks of The MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. This site includes MITRE data granted under the following license.

CVE.report and Source URL Uptime Status status.cve.report