Vulnerability Details : CVE-2022-23971
ASUS RT-AX56U’s update_PLC/PORT file has a path traversal vulnerability due to insufficient filtering for special characters in the URL parameter. An unauthenticated LAN attacker can overwrite a system file by uploading another PLC/PORT file with the same file name, which results in service disruption.
Vulnerability category: Directory traversal
Products affected by CVE-2022-23971
- cpe:2.3:o:asus:rt-ax56u_firmware:3.0.0.4.386.45898:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2022-23971
0.07%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 17 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2022-23971
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.8
|
MEDIUM | AV:A/AC:L/Au:N/C:N/I:P/A:P |
6.5
|
4.9
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
NIST | |
|
8.1
|
HIGH | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H |
2.8
|
5.2
|
TWCERT/CC |
CWE ids for CVE-2022-23971
-
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)
- twcert@cert.org.tw (Secondary)
References for CVE-2022-23971
-
https://www.twcert.org.tw/tw/cp-132-5785-cf8db-1.html
TWCERT/CC台灣電腦網路危機處理暨協調中心|企業資安通報協處|資安情資分享|漏洞通報|資安聯盟|資安電子報-ASUS RT-AX56U - Path TraversalThird Party Advisory
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