Vulnerability Details : CVE-2017-18874
An issue was discovered in Mattermost Server before 4.3.0, 4.2.1, and 4.1.2 when local storage for files is used. A System Admin can achieve directory traversal.
Vulnerability category: Directory traversal
Products affected by CVE-2017-18874
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:*:*:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc1:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc2:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc3:*:*:*:*:*:*
- cpe:2.3:a:mattermost:mattermost_server:4.3.0:rc4:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2017-18874
0.09%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 39 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2017-18874
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.5
|
MEDIUM | AV:N/AC:L/Au:S/C:P/I:P/A:N |
8.0
|
4.9
|
NIST | |
|
6.5
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:N |
1.2
|
5.2
|
NIST |
CWE ids for CVE-2017-18874
-
The product uses external input to construct a pathname that is intended to identify a file or directory that is located underneath a restricted parent directory, but the product does not properly neutralize special elements within the pathname that can cause the pathname to resolve to a location that is outside of the restricted directory.Assigned by: nvd@nist.gov (Primary)
References for CVE-2017-18874
-
https://mattermost.com/security-updates/
Security Updates - Mattermost - Open Source, On-Prem or Private Cloud MessagingVendor Advisory
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