Vulnerability Details : CVE-2023-2793
Mattermost fails to validate links on external websites when constructing a preview for a linked website, allowing an attacker to cause a denial-of-service by a linking to a specially crafted webpage in a message.
Vulnerability category: Denial of service
Products affected by CVE-2023-2793
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost:7.10.0:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-2793
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 38 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-2793
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
NIST | |
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
2.8
|
3.6
|
Mattermost, Inc. |
CWE ids for CVE-2023-2793
-
The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.Assigned by:
- nvd@nist.gov (Primary)
- responsibledisclosure@mattermost.com (Secondary)
References for CVE-2023-2793
-
https://mattermost.com/security-updates/
Security Updates - Mattermost - Open Source, On-Prem or Private Cloud MessagingVendor Advisory
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