CVE-2021-27250
D-Link DAP-2020 errorpage External Control of File Name Information Disclosure Vulnerability
Severity Score
Exploit Likelihood
Affected Versions
Public Exploits
0Exploited in Wild
-Decision
Descriptions
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 v1.01rc001 Wi-Fi access points. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise. Was ZDI-CAN-11856.
Esta vulnerabilidad permite a atacantes adyacentes a la red divulgar información confidencial sobre las instalaciones afectadas de los puntos de acceso Wi-Fi D-Link DAP-2020 versión v1.01rc001. No es requerida una autenticación para explotar esta vulnerabilidad. El fallo específico se presenta dentro del procesamiento de scripts CGI. Cuando se analiza el parámetro de petición errorpage, el proceso no comprueba apropiadamente una ruta suministrada por el usuario antes de usarla en operaciones de archivo. Un atacante puede aprovechar esta vulnerabilidad para divulgar las credenciales almacenadas, conllevando un mayor compromiso. Era ZDI-CAN-11856
This vulnerability allows network-adjacent attackers to disclose sensitive information on affected installations of D-Link DAP-2020 Wi-Fi access points. Authentication is not required to exploit this vulnerability.
The specific flaw exists within the processing of CGI scripts. When parsing the errorpage request parameter, the process does not properly validate a user-supplied path prior to using it in file operations. An attacker can leverage this vulnerability to disclose stored credentials, leading to further compromise.
CVSS Scores
SSVC
- Decision:-
Timeline
- 2021-02-16 CVE Reserved
- 2021-02-24 CVE Published
- 2023-12-29 EPSS Updated
- 2024-08-03 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-73: External Control of File Name or Path
CAPEC
References (2)
URL | Tag | Source |
---|---|---|
https://www.zerodayinitiative.com/advisories/ZDI-21-205 | Third Party Advisory |
URL | Date | SRC |
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URL | Date | SRC |
---|---|---|
https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 | 2023-11-08 |
URL | Date | SRC |
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Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Dlink Search vendor "Dlink" | Dap-2020 Firmware Search vendor "Dlink" for product "Dap-2020 Firmware" | 1.01 Search vendor "Dlink" for product "Dap-2020 Firmware" and version "1.01" | rc001 |
Affected
| in | Dlink Search vendor "Dlink" | Dap-2020 Search vendor "Dlink" for product "Dap-2020" | - | - |
Safe
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