FKIE_CVE-2021-27249
Vulnerability from fkie_nvd - Published: 2021-04-14 16:15 - Updated: 2024-11-21 05:57
Severity ?
Summary
This vulnerability allows network-adjacent attackers to execute arbitrary code 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. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369.
References
| URL | Tags | ||
|---|---|---|---|
| zdi-disclosures@trendmicro.com | https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 | Patch, Vendor Advisory | |
| zdi-disclosures@trendmicro.com | https://www.zerodayinitiative.com/advisories/ZDI-21-204/ | Third Party Advisory, VDB Entry | |
| af854a3a-2127-422b-91ae-364da2661108 | https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10201 | Patch, Vendor Advisory | |
| af854a3a-2127-422b-91ae-364da2661108 | https://www.zerodayinitiative.com/advisories/ZDI-21-204/ | Third Party Advisory, VDB Entry |
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| dlink | dap-2020_firmware | 1.01 | |
| dlink | dap-2020 | - |
{
"configurations": [
{
"nodes": [
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"criteria": "cpe:2.3:o:dlink:dap-2020_firmware:1.01:rc001:*:*:*:*:*:*",
"matchCriteriaId": "B0962F7C-1425-478D-9E83-D6560578DFA6",
"vulnerable": true
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"operator": "AND"
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"cveTags": [],
"descriptions": [
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"lang": "en",
"value": "This vulnerability allows network-adjacent attackers to execute arbitrary code 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. The issue results from the lack of proper validation of a user-supplied string before using it to execute a system call. An attacker can leverage this vulnerability to execute code in the context of root. Was ZDI-CAN-11369."
},
{
"lang": "es",
"value": "Esta vulnerabilidad permite a atacantes adyacentes a la red ejecutar c\u00f3digo arbitrario en las instalaciones afectadas de los puntos de acceso Wi-Fi D-Link DAP-2020 versi\u00f3n v1.01rc001.\u0026#xa0;No es requerida una autenticaci\u00f3n para explotar esta vulnerabilidad.\u0026#xa0;El fallo espec\u00edfico se presenta dentro del procesamiento de scripts CGI.\u0026#xa0;El problema resulta de una falta de comprobaci\u00f3n apropiada de una cadena suministrada por el usuario antes de usarla para ejecutar una llamada al sistema.\u0026#xa0;Un atacante puede aprovechar esta vulnerabilidad para ejecutar c\u00f3digo en el contexto de root.\u0026#xa0;Era ZDI-CAN-11369"
}
],
"id": "CVE-2021-27249",
"lastModified": "2024-11-21T05:57:41.050",
"metrics": {
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"baseSeverity": "HIGH",
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"accessVector": "ADJACENT_NETWORK",
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"availabilityImpact": "COMPLETE",
"baseScore": 8.3,
"confidentialityImpact": "COMPLETE",
"integrityImpact": "COMPLETE",
"vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
"version": "2.0"
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"source": "nvd@nist.gov",
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"published": "2021-04-14T16:15:13.453",
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"sourceIdentifier": "zdi-disclosures@trendmicro.com",
"vulnStatus": "Modified",
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"value": "CWE-78"
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"source": "zdi-disclosures@trendmicro.com",
"type": "Secondary"
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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