CVE-2021-1288

Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory.

CVSS v3 8.6 HIGH
CVSS v2.0 7.8 HIGH

8.6^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 4.0

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope CHANGED

7.8^/10

CVSS v2.0 : HIGH

Vector : AV:N/AC:L/Au:N/C:N/I:N/A:C

Exploitability : 10.0 / Impact : 6.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact COMPLETE

References

Link	Resource
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2	Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:cisco:ios_xr::::::::
	cpe:2.3:o:cisco:ios_xr::::::::
	cpe:2.3:o:cisco:ios_xr::::::::

History

21 Nov 2024, 05:44

Type	Values Removed	Values Added
CVSS	v2 : ~~7.8~~ v3 : ~~7.5~~	v2 : 7.8 v3 : 8.6
References	~~() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2 - Vendor Advisory~~	() https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2 - Vendor Advisory

Information

Published : 2021-02-04 17:15

Updated : 2024-11-21 05:44

NVD link : CVE-2021-1288

Mitre link : CVE-2021-1288

CVE.ORG link : CVE-2021-1288

JSON object : View

Products Affected

cisco

ios_xr

CWE

CWE-399

Resource Management Errors

NVD-CWE-noinfo

{"id": "CVE-2021-1288", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.8, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:C", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "COMPLETE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 6.9, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Secondary", "source": "ykramarz@cisco.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 8.6, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 4.0, "exploitabilityScore": 3.9}, {"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 3.9}]}, "published": "2021-02-04T17:15:15.077", "references": [{"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2", "tags": ["Vendor Advisory"], "source": "ykramarz@cisco.com"}, {"url": "https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iosxr-dos-WwDdghs2", "tags": ["Vendor Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Secondary", "source": "ykramarz@cisco.com", "description": [{"lang": "en", "value": "CWE-399"}]}, {"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Multiple vulnerabilities in the ingress packet processing function of Cisco IOS XR Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. For more information about these vulnerabilities, see the Details section of this advisory."}, {"lang": "es", "value": "M\u00faltiples vulnerabilidades en la funci\u00f3n de procesamiento de paquetes de entrada del Software Cisco IOS XR, podr\u00edan permitir a un atacante remoto no autenticado causar una condici\u00f3n de denegaci\u00f3n de servicio (DoS) en un dispositivo afectado. Para mayor informaci\u00f3n sobre estas vulnerabilidades, consulte la secci\u00f3n Detalles de este aviso"}], "lastModified": "2024-11-21T05:44:00.707", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "E3DE37AB-3C40-44C4-9209-FB02FC3C0AF1", "versionEndExcluding": "5.2.6", "versionStartIncluding": "5.0.0"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B8CA2C12-106C-4F08-A1FF-DC05C373CD7D", "versionEndExcluding": "5.3.4", "versionStartIncluding": "5.3.0"}, {"criteria": "cpe:2.3:o:cisco:ios_xr:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "11E4CECC-BBDF-40B3-A6E9-D55C38A6DF37", "versionEndExcluding": "6.0.2", "versionStartIncluding": "6.0.0"}], "operator": "OR"}]}], "sourceIdentifier": "ykramarz@cisco.com"}