// For flags

CVE-2023-4105

Attachment of deleted message in a thread remains accessible and downloadable

Severity Score

4.3
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Mattermost fails to delete the attachments when deleting a message in a thread allowing a simple user to still be able to access and download the attachment of a deleted message

*Credits: BhaRat (hackit_bharat)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
Attack Vector
Network
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-08-02 CVE Reserved
  • 2023-08-11 CVE Published
  • 2024-08-17 EPSS Updated
  • 2024-10-01 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-862: Missing Authorization
CAPEC
References (1)
URL Tag Source
URL Date SRC
URL Date SRC
URL Date SRC
https://mattermost.com/security-updates 2023-08-15
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"
>= 7.8.0 < 7.8.8
Search vendor "Mattermost" for product "Mattermost" and version " >= 7.8.0 < 7.8.8"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
>= 7.9.0 < 7.9.6
Search vendor "Mattermost" for product "Mattermost" and version " >= 7.9.0 < 7.9.6"
-
Affected
Mattermost
Search vendor "Mattermost"
Mattermost
Search vendor "Mattermost" for product "Mattermost"
>= 7.10.0 < 7.10.4
Search vendor "Mattermost" for product "Mattermost" and version " >= 7.10.0 < 7.10.4"
-
Affected