CVE-2021-1377 (GCVE-0-2021-1377)
Vulnerability from cvelistv5
Published
2021-03-24 20:10
Modified
2024-11-08 23:32
Severity ?
5.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
CWE
Summary
A vulnerability in Address Resolution Protocol (ARP) management of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent an affected device from resolving ARP entries for legitimate hosts on the connected subnets. This vulnerability exists because ARP entries are mismanaged. An attacker could exploit this vulnerability by continuously sending traffic that results in incomplete ARP entries. A successful exploit could allow the attacker to cause ARP requests on the device to be unsuccessful for legitimate hosts, resulting in a denial of service (DoS) condition.
References
Impacted products
Vendor Product Version
Cisco Cisco IOS Version: n/a
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A successful exploit could allow the attacker to cause ARP requests on the device to be unsuccessful for legitimate hosts, resulting in a denial of service (DoS) condition.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-399\", \"description\": \"CWE-399\"}]}], \"providerMetadata\": {\"orgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"shortName\": \"cisco\", \"dateUpdated\": \"2021-03-24T20:10:13\"}, \"x_legacyV4Record\": {\"impact\": {\"cvss\": {\"version\": \"3.0\", \"baseScore\": \"5.8\", \"vectorString\": \"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L\"}}, \"source\": {\"defect\": [[\"CSCvv75175\"]], \"advisory\": \"cisco-sa-arp-mtfhBfjE\", \"discovery\": \"INTERNAL\"}, \"affects\": {\"vendor\": {\"vendor_data\": [{\"product\": {\"product_data\": [{\"version\": {\"version_data\": [{\"version_value\": \"n/a\"}]}, \"product_name\": \"Cisco IOS\"}]}, \"vendor_name\": \"Cisco\"}]}}, \"exploit\": [{\"lang\": \"en\", \"value\": \"The Cisco Product Security Incident Response Team (PSIRT) is not aware of any public announcements or malicious use of the vulnerability that is described in this advisory.\"}], \"data_type\": \"CVE\", \"references\": {\"reference_data\": [{\"url\": \"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-arp-mtfhBfjE\", \"name\": \"20210324 Cisco IOS and IOS XE Software ARP Resource Management Exhaustion Denial of Service Vulnerability\", \"refsource\": \"CISCO\"}]}, \"data_format\": \"MITRE\", \"description\": {\"description_data\": [{\"lang\": \"eng\", \"value\": \"A vulnerability in Address Resolution Protocol (ARP) management of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to prevent an affected device from resolving ARP entries for legitimate hosts on the connected subnets. 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      "cveMetadata": "{\"cveId\": \"CVE-2021-1377\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-11-08T23:32:34.916Z\", \"dateReserved\": \"2020-11-13T00:00:00\", \"assignerOrgId\": \"d1c1063e-7a18-46af-9102-31f8928bc633\", \"datePublished\": \"2021-03-24T20:10:13.898917Z\", \"assignerShortName\": \"cisco\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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