CVE-2017-3882 (GCVE-0-2017-3882)

Vulnerability from cvelistv5 – Published: 2017-05-16 17:00 – Updated: 2024-08-05 14:39
VLAI
Summary
A vulnerability in the Universal Plug-and-Play (UPnP) implementation in the Cisco CVR100W Wireless-N VPN Router could allow an unauthenticated, Layer 2-adjacent attacker to execute arbitrary code or cause a denial of service (DoS) condition. The remote code execution could occur with root privileges. The vulnerability is due to incomplete range checks of the UPnP input data, which could result in a buffer overflow. An attacker could exploit this vulnerability by sending a malicious request to the UPnP listening port of the targeted device. An exploit could allow the attacker to cause the device to reload or potentially execute arbitrary code with root privileges. This vulnerability affects all firmware releases of the Cisco CVR100W Wireless-N VPN Router prior to Firmware Release 1.0.1.22. Cisco Bug IDs: CSCuz72642.
Severity
9.6 (Critical)
CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CWE
Assigner
cisco CNA under the mitre root
CNA scorecard C 66/100 over 443 records in the last 180 days details
References
URL Tags
http://www.securitytracker.com/id/1038391 vdb-entryx_refsource_SECTRACK
http://www.securityfocus.com/bid/98287 vdb-entryx_refsource_BID
https://tools.cisco.com/security/center/content/C… x_refsource_CONFIRM
Impacted products
Vendor Product Version CPE status
n/a Cisco CVR100W Wireless-N VPN Router Affected: Cisco CVR100W Wireless-N VPN Router
Date Public
2017-05-16 00:00
Show details on NVD website
To clipboard 

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        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "A vulnerability in the Universal Plug-and-Play (UPnP) implementation in the Cisco CVR100W Wireless-N VPN Router could allow an unauthenticated, Layer 2-adjacent attacker to execute arbitrary code or cause a denial of service (DoS) condition. The remote code execution could occur with root privileges. The vulnerability is due to incomplete range checks of the UPnP input data, which could result in a buffer overflow. An attacker could exploit this vulnerability by sending a malicious request to the UPnP listening port of the targeted device. An exploit could allow the attacker to cause the device to reload or potentially execute arbitrary code with root privileges. This vulnerability affects all firmware releases of the Cisco CVR100W Wireless-N VPN Router prior to Firmware Release 1.0.1.22. Cisco Bug IDs: CSCuz72642."
          },
          {
            "lang": "es",
            "value": "Una vulnerabilidad en la implementaci\u00f3n de Universal plug-and-play (UPnP) en el router CVR100W Wireless-N VPN de Cisco, podr\u00eda permitir a un atacante de capa 2 no autenticado, ejecutar c\u00f3digo arbitrario o causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS). La ejecuci\u00f3n de c\u00f3digo remota podr\u00eda producirse con privilegios root. La vulnerabilidad es debido a comprobaciones de rango incompletas de los datos de entrada UPnP, lo que podr\u00eda dar como resultado a un desbordamiento de b\u00fafer. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de una petici\u00f3n maliciosa hacia el puerto de escucha UPnP del dispositivo de destino. Una explotaci\u00f3n podr\u00eda permitir al atacante causar que el dispositivo se recargue o potencialmente ejecutar c\u00f3digo arbitrario con privilegios root. Esta vulnerabilidad afecta a todas las versiones de firmware del enrutador CVR100W Wireless-N VPN de Cisco anterior a Versi\u00f3n de Firmware 1.0.1.22. ID de bug de Cisco: CSCuz72642."
          }
        ],
        "id": "CVE-2017-3882",
        "lastModified": "2026-05-13T00:24:29.033",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "HIGH",
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                "accessVector": "ADJACENT_NETWORK",
                "authentication": "NONE",
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                "baseScore": 8.3,
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                "integrityImpact": "COMPLETE",
                "vectorString": "AV:A/AC:L/Au:N/C:C/I:C/A:C",
                "version": "2.0"
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              "exploitabilityScore": 6.5,
              "impactScore": 10.0,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
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                "attackVector": "ADJACENT_NETWORK",
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                "baseScore": 9.6,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
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              "source": "nvd@nist.gov",
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        "published": "2017-05-16T17:29:00.293",
        "references": [
          {
            "source": "psirt@cisco.com",
            "tags": [
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            "url": "http://www.securityfocus.com/bid/98287"
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          {
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            "url": "http://www.securitytracker.com/id/1038391"
          },
          {
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            "tags": [
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            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170503-cvr100w1"
          },
          {
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            "tags": [
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              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/98287"
          },
          {
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            "url": "http://www.securitytracker.com/id/1038391"
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        "sourceIdentifier": "psirt@cisco.com",
        "vulnStatus": "Modified",
        "weaknesses": [
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                "value": "CWE-119"
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            ],
            "source": "psirt@cisco.com",
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          },
          {
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                "value": "CWE-119"
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            "source": "nvd@nist.gov",
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    }
  }
}



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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON
How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

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    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.