CVE-2020-15897

Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router.

CVSS v3 7.5 HIGH
CVSS v2.0 5.0 MEDIUM

7.5^/10

CVSS v3 : HIGH

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

5.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 10.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
https://www.arista.com/en/support/advisories-notices/security-advisories/11760-security-advisory-54	Exploit Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::
	cpe:2.3:o:arista:eos::::::::

History

No history.

Information

Published : 2020-10-26 16:15

Updated : 2024-02-28 18:08

NVD link : CVE-2020-15897

Mitre link : CVE-2020-15897

CVE.ORG link : CVE-2020-15897

JSON object : View

Products Affected

arista

eos

CWE

NVD-CWE-noinfo

{"id": "CVE-2020-15897", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"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": "2020-10-26T16:15:13.207", "references": [{"url": "https://www.arista.com/en/support/advisories-notices/security-advisories/11760-security-advisory-54", "tags": ["Exploit", "Vendor Advisory"], "source": "cve@mitre.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-noinfo"}]}], "descriptions": [{"lang": "en", "value": "Arista EOS before 4.21.12M, 4.22.x before 4.22.7M, 4.23.x before 4.23.5M, and 4.24.x before 4.24.2F allows remote attackers to cause traffic loss or incorrect forwarding of traffic via a malformed link-state PDU to the IS-IS router."}, {"lang": "es", "value": "Arista EOS versiones anteriores a 4.21.12M, versiones 4.22.x anteriores a 4.22.7M, versiones 4.23.x anteriores a 4.23.5M y versiones 4.24.x anteriores a 4.24.2F, permite a atacantes remotos causar p\u00e9rdida de tr\u00e1fico o reenv\u00edo incorrecto de tr\u00e1fico por medio de una PDU de estado de enlace malformado hacia el enrutador IS-IS"}], "lastModified": "2020-11-02T19:48:47.417", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "87F6E3B9-1EC0-4B57-ACB3-1B9110C65A08", "versionEndExcluding": "4.21.12m"}, {"criteria": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9CA840AC-49E4-491A-872E-1EE60B986131", "versionEndExcluding": "4.22.7m", "versionStartIncluding": "4.22"}, {"criteria": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C349690C-2136-4E50-96E9-432FD27E4995", "versionEndExcluding": "4.23.5m", "versionStartIncluding": "4.23"}, {"criteria": "cpe:2.3:o:arista:eos:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FFDB16F2-4FA8-4EBE-A61D-06E94C045FF6", "versionEndExcluding": "4.24.2f", "versionStartIncluding": "4.24"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}