// For flags

CVE-2023-5969

Denial of Service via Link Preview in /api/v4/redirect_location

Severity Score

5.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Attend
*SSVC
Descriptions

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

Mattermost no puede sanitizar adecuadamente la solicitud a /api/v4/redirect_location, lo que permite que un atacante envíe una solicitud especialmente manipulada a /api/v4/redirect_location para llenar la memoria debido al almacenamiento en caché de elementos grandes.

Mattermost fails to properly sanitize the request to /api/v4/redirect_location allowing an attacker, sending a specially crafted request to /api/v4/redirect_location, to fill up the memory due to caching large items.

*Credits: vultza (vultza)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Authentication
None
Confidentiality
None
Integrity
None
Availability
Partial
* Common Vulnerability Scoring System
SSVC
  • Decision:Attend
Exploitation
None
Automatable
Yes
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-11-06 CVE Reserved
  • 2023-11-06 CVE Published
  • 2024-09-17 CVE Updated
  • 2025-03-30 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-400: Uncontrolled Resource Consumption
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://mattermost.com/security-updates 2023-11-14
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
<= 7.8.11
Search vendor "Mattermost" for product "Mattermost" and version " <= 7.8.11"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
>= 8.0.0 <= 8.0.3
Search vendor "Mattermost" for product "Mattermost" and version " >= 8.0.0 <= 8.0.3"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
>= 8.1.0 <= 8.1.2
Search vendor "Mattermost" for product "Mattermost" and version " >= 8.1.0 <= 8.1.2"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
9.0.0
Search vendor "Mattermost" for product "Mattermost" and version "9.0.0"
-
Affected