cvelistv5 - cve-2021-1622

cve-2021-1622

Vulnerability from cvelistv5

Published
2021-09-23 02:25
Modified
2024-11-07 21:59
Severity ?
8.6 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
Summary
Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability
References
▼	URL	Tags
	ykramarz@cisco.com	https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx	Patch, Vendor Advisory
Impacted products
▼	Vendor	Product
	Cisco	Cisco IOS XE Software
Show details on NVD website
JSON
To clipboard
{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T16:18:10.416Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "20210922 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability",
            "tags": [
              "vendor-advisory",
              "x_refsource_CISCO",
              "x_transferred"
            ],
            "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2021-1622",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2024-11-07T21:54:19.874106Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2024-11-07T21:59:58.428Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Cisco IOS XE Software",
          "vendor": "Cisco",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "datePublic": "2021-09-22T00:00:00",
      "descriptions": [
        {
          "lang": "en",
          "value": "A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition. This vulnerability is due to a deadlock condition in the code when processing COPS packets under certain conditions. An attacker could exploit this vulnerability by sending COPS packets with high burst rates to an affected device. A successful exploit could allow the attacker to cause the CPU to consume excessive resources, which prevents other control plane processes from obtaining resources and results in a DoS."
        }
      ],
      "exploits": [
        {
          "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-833",
              "description": "CWE-833",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-23T02:25:09",
        "orgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
        "shortName": "cisco"
      },
      "references": [
        {
          "name": "20210922 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability",
          "tags": [
            "vendor-advisory",
            "x_refsource_CISCO"
          ],
          "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx"
        }
      ],
      "source": {
        "advisory": "cisco-sa-cbr8-cops-Vc2ZsJSx",
        "defect": [
          [
            "CSCvw49029"
          ]
        ],
        "discovery": "INTERNAL"
      },
      "title": "Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "psirt@cisco.com",
          "DATE_PUBLIC": "2021-09-22T16:00:00",
          "ID": "CVE-2021-1622",
          "STATE": "PUBLIC",
          "TITLE": "Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Cisco IOS XE Software",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "Cisco"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition. This vulnerability is due to a deadlock condition in the code when processing COPS packets under certain conditions. An attacker could exploit this vulnerability by sending COPS packets with high burst rates to an affected device. A successful exploit could allow the attacker to cause the CPU to consume excessive resources, which prevents other control plane processes from obtaining resources and results in a DoS."
            }
          ]
        },
        "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."
          }
        ],
        "impact": {
          "cvss": {
            "baseScore": "8.6",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-833"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "20210922 Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers Common Open Policy Service Denial of Service Vulnerability",
              "refsource": "CISCO",
              "url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx"
            }
          ]
        },
        "source": {
          "advisory": "cisco-sa-cbr8-cops-Vc2ZsJSx",
          "defect": [
            [
              "CSCvw49029"
            ]
          ],
          "discovery": "INTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "d1c1063e-7a18-46af-9102-31f8928bc633",
    "assignerShortName": "cisco",
    "cveId": "CVE-2021-1622",
    "datePublished": "2021-09-23T02:25:10.088381Z",
    "dateReserved": "2020-11-13T00:00:00",
    "dateUpdated": "2024-11-07T21:59:58.428Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2021-1622\",\"sourceIdentifier\":\"ykramarz@cisco.com\",\"published\":\"2021-09-23T03:15:13.353\",\"lastModified\":\"2023-11-07T03:28:48.923\",\"vulnStatus\":\"Modified\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"A vulnerability in the Common Open Policy Service (COPS) of Cisco IOS XE Software for Cisco cBR-8 Converged Broadband Routers could allow an unauthenticated, remote attacker to cause resource exhaustion, resulting in a denial of service (DoS) condition. This vulnerability is due to a deadlock condition in the code when processing COPS packets under certain conditions. An attacker could exploit this vulnerability by sending COPS packets with high burst rates to an affected device. A successful exploit could allow the attacker to cause the CPU to consume excessive resources, which prevents other control plane processes from obtaining resources and results in a DoS.\"},{\"lang\":\"es\",\"value\":\"Una vulnerabilidad en el Servicio de Pol\u00edtica Abierta Com\u00fan (COPS) de Cisco IOS XE Software para Cisco cBR-8 Converged Broadband Routers podr\u00eda permitir a un atacante remoto no autenticado causar el agotamiento de los recursos, resultando en una condici\u00f3n de denegaci\u00f3n de servicio (DoS). Esta vulnerabilidad es debido a una condici\u00f3n de bloqueo en el c\u00f3digo cuando se procesan paquetes COPS bajo determinadas condiciones. Un atacante podr\u00eda explotar esta vulnerabilidad mediante el env\u00edo de paquetes COPS con altas tasas de r\u00e1fagas a un dispositivo afectado. Una explotaci\u00f3n con \u00e9xito podr\u00eda permitir al atacante causar el consumo excesivo de recursos de la CPU, que impide que otros procesos del plano de control obtengan recursos y resulta en una DoS\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H\",\"attackVector\":\"NETWORK\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"NONE\",\"userInteraction\":\"NONE\",\"scope\":\"CHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":8.6,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":3.9,\"impactScore\":4.0}],\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:M/Au:N/C:N/I:N/A:P\",\"accessVector\":\"NETWORK\",\"accessComplexity\":\"MEDIUM\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\",\"baseScore\":4.3},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":8.6,\"impactScore\":2.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-667\"}]},{\"source\":\"ykramarz@cisco.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-833\"}]}],\"configurations\":[{\"operator\":\"AND\",\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"16.12.1z1\",\"matchCriteriaId\":\"F28F7CDF-B79D-4856-868E-F375BEA297F5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:cisco:ios_xe:17.3.1x:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"4046C325-7EDB-4C95-AA98-541BEC8F9E0F\"}]},{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:7600_router:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F65D6BF2-7016-4C1C-93BC-F5742F299607\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-12c-f-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"D6279A69-2F9D-4CD9-9C19-62E701C3C4F9\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-12c-ft-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"A46BB1E3-D813-4C19-81FA-96B8EF3E2F7B\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-4c-f-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"64E9CCC6-CA54-44C4-9A41-D2CA3A25BE8C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-4c-ft-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"BC4E0CC8-9C67-4EB0-97A1-BAEFC6E9708A\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-f-a:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"DDB1A95C-8513-4CC7-8CDF-012B212FF02F\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-f-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AE761B1C-D749-4E1B-9A4A-7F41D1DF9C8C\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-fs-a:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"97B64B28-7F3F-40BC-B289-0D1DB55B6461\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-fs-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F5603296-34B3-4EEB-B242-C44BC56BFBB8\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-ft-a:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"6C2A515C-797D-47EE-8051-F3FBE417BCE9\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:asr_901-6cz-ft-d:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E673A75F-EFF8-4591-8E0F-A21083563DBA\"},{\"vulnerable\":false,\"criteria\":\"cpe:2.3:h:cisco:cbr-8:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"AB77D0EC-A448-4D97-8EB0-EA4956549A52\"}]}]}],\"references\":[{\"url\":\"https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cbr8-cops-Vc2ZsJSx\",\"source\":\"ykramarz@cisco.com\",\"tags\":[\"Patch\",\"Vendor Advisory\"]}]}}"
  }
}
Sightings

Author	Source	Type	Date
Nomenclature

Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
Confirmed: The vulnerability is confirmed from an analyst perspective.
Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
Patched: This vulnerability was successfully patched by the user reporting the sighting.
Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
Not confirmed: The user expresses doubt about the veracity of the vulnerability.
Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Action not permitted

cve-2021-1622

Vulnerability from cvelistv5

gsd-2021-1622

Vulnerability from gsd

ghsa-6767-7pjf-mxgf

Vulnerability from github

cisco-sa-cbr8-cops-vc2zsjsx

Vulnerability from csaf_cisco

Tags

Sightings

Nomenclature
