Vulnerability Details : CVE-2018-9921
In CMS Made Simple 2.2.7, a Directory Traversal issue makes it possible to determine the existence of files and directories outside the web-site installation directory, and determine whether a file has contents matching a specified checksum. The attack uses an admin/checksum.php?__c= request.
Vulnerability category: Directory traversal
Products affected by CVE-2018-9921
- cpe:2.3:a:cmsmadesimple:cms_made_simple:2.2.7:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2018-9921
0.35%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 55 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-9921
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2018-9921
-
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-2018-9921
-
https://gist.github.com/0xn1k5/ef4c7c7a26c7d8a803ef3a85f1000c98
Possible to brute force and fingerprint known files and directories in CMS Made Simple web application ยท GitHubThird Party Advisory
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