CVE-2017-12232 (GCVE-0-2017-12232)

Vulnerability from cvelistv5 – Published: 2017-09-28 07:00 – Updated: 2025-10-21 23:55
VLAI? CISA
Summary
A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.
Severity ?
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a Cisco IOS Affected: Cisco IOS
CISA Known Exploited Vulnerability
Data from the CISA Known Exploited Vulnerabilities Catalog

Date added: 2022-03-03

Due date: 2022-03-24

Required action: Apply updates per vendor instructions.

Used in ransomware: Unknown

Notes: https://nvd.nist.gov/vuln/detail/CVE-2017-12232

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.\"}, {\"lang\": \"es\", \"value\": \"Una vulnerabilidad en la implementaci\\u00f3n de un protocolo en los routers Cisco Integrated Services Routers Generation 2 (ISR G2) que ejecuten Cisco IOS desde la versi\\u00f3n 15.0 hasta la 15.6 podr\\u00eda permitir que un atacante adyacente sin autenticar haga que el dispositivo afectado se reinicie, provocando una denegaci\\u00f3n de servicio (DoS) en consecuencia. Esta vulnerabilidad se debe a una clasificaci\\u00f3n incorrecta de los frames Ethernet. Un atacante podr\\u00eda explotar esta vulnerabilidad enviando un frame Ethernet al dispositivo afectado. Si se explota con \\u00e9xito, podr\\u00eda permitir que el atacante provoque que el dispositivo afectado se reinicie, provocando una denegaci\\u00f3n de servicio. Cisco Bug IDs: CSCvc03809.\"}]",
      "id": "CVE-2017-12232",
      "lastModified": "2024-11-21T03:09:05.340",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 6.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"ADJACENT_NETWORK\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"NONE\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 2.8, \"impactScore\": 3.6}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:A/AC:L/Au:N/C:N/I:N/A:C\", \"baseScore\": 6.1, \"accessVector\": \"ADJACENT_NETWORK\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"MEDIUM\", \"exploitabilityScore\": 6.5, \"impactScore\": 6.9, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2017-09-29T01:34:48.780",
      "references": "[{\"url\": \"http://www.securityfocus.com/bid/101044\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Broken Link\", \"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1039452\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Broken Link\", \"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-rbip-dos\", \"source\": \"ykramarz@cisco.com\", \"tags\": [\"Vendor Advisory\"]}, {\"url\": \"http://www.securityfocus.com/bid/101044\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\", \"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"http://www.securitytracker.com/id/1039452\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Broken Link\", \"Third Party Advisory\", \"VDB Entry\"]}, {\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170927-rbip-dos\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Vendor Advisory\"]}]",
      "sourceIdentifier": "ykramarz@cisco.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"ykramarz@cisco.com\", \"type\": \"Secondary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-399\"}]}, {\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2017-12232\",\"sourceIdentifier\":\"psirt@cisco.com\",\"published\":\"2017-09-29T01:34:48.780\",\"lastModified\":\"2025-10-22T00:16:02.973\",\"vulnStatus\":\"Deferred\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the implementation of a protocol in Cisco Integrated Services Routers Generation 2 (ISR G2) Routers running Cisco IOS 15.0 through 15.6 could allow an unauthenticated, adjacent attacker to cause an affected device to reload, resulting in a denial of service (DoS) condition. The vulnerability is due to a misclassification of Ethernet frames. An attacker could exploit this vulnerability by sending a crafted Ethernet frame to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition. Cisco Bug IDs: CSCvc03809.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en la implementaci\u00f3n de un protocolo en los routers Cisco Integrated Services Routers Generation 2 (ISR G2) que ejecuten Cisco IOS desde la versi\u00f3n 15.0 hasta la 15.6 podr\u00eda permitir que un atacante adyacente sin autenticar haga que el dispositivo afectado se reinicie, provocando una denegaci\u00f3n de servicio (DoS) en consecuencia. Esta vulnerabilidad se debe a una clasificaci\u00f3n incorrecta de los frames Ethernet. Un atacante podr\u00eda explotar esta vulnerabilidad enviando un frame Ethernet al dispositivo afectado. Si se explota con \u00e9xito, podr\u00eda permitir que el atacante provoque que el dispositivo afectado se reinicie, provocando una denegaci\u00f3n de servicio. Cisco Bug IDs: 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    "vulnrichment": {
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      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Tags
Taxonomy of the tags.




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.



Detection rules are retrieved from Rulezet.