Vulnerability Details : CVE-2021-23242
MERCUSYS Mercury X18G 1.0.5 devices allow Directory Traversal via ../ to the UPnP server, as demonstrated by the /../../conf/template/uhttpd.json URI.
Vulnerability category: Directory traversal
Products affected by CVE-2021-23242
- cpe:2.3:o:mercusys:mercury_x18g_firmware:1.0.5:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-23242
0.19%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 56 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-23242
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:3.1/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-2021-23242
-
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-2021-23242
-
https://www.mercurycom.com.cn/product-521-1.html
幻影路由 X18G - 水星网络官方网站Product;Vendor Advisory
-
https://github.com/BATTZION/MY_REQUEST/blob/master/Mercury%20Router%20Upnp%20Server%20Directory%20Traversal.md
MY_REQUEST/Mercury Router Upnp Server Directory Traversal.md at master · BATTZION/MY_REQUEST · GitHubExploit;Third Party Advisory
-
https://www.mercusys.com/en/
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