Vulnerability Details : CVE-2018-21260
An issue was discovered in Mattermost Server before 4.8.1, 4.7.4, and 4.6.3. WebSocket events were accidentally sent during certain user-management operations, violating user privacy.
Vulnerability category: Information leak
Products affected by CVE-2018-21260
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-21260
0.05%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 21 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-21260
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.0
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:N/A:N |
8.0
|
2.9
|
NIST | |
|
2.7
|
LOW | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:N |
1.2
|
1.4
|
NIST |
CWE ids for CVE-2018-21260
-
The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information.Assigned by: nvd@nist.gov (Primary)
References for CVE-2018-21260
-
https://mattermost.com/security-updates/
Security Updates - Mattermost - Open Source, On-Prem or Private Cloud MessagingVendor Advisory
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