{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-16T21:45:04.942","vulnerabilities":[{"cve":{"id":"CVE-2021-28494","sourceIdentifier":"psirt@arista.com","published":"2021-09-09T13:15:09.013","lastModified":"2024-11-21T05:59:46.630","vulnStatus":"Modified","cveTags":[],"descriptions":[{"lang":"en","value":"In Arista's MOS (Metamako Operating System) software which is supported on the 7130 product line, under certain conditions, authentication is bypassed by unprivileged users who are accessing the Web UI. This issue affects: Arista Metamako Operating System MOS-0.34.0 and prior releases"},{"lang":"es","value":"En el software MOS (Sistema Operativo Metamako) de Arista, compatible con la línea de productos 7130, en determinadas condiciones, la autenticación es omitida por usuarios no privilegiados que acceden a la Interfaz de Usuario web. Este problema afecta a: Sistema Operativo Arista Metamako versión MOS-0.34.0 y versiones anteriores"}],"metrics":{"cvssMetricV31":[{"source":"psirt@arista.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:H","baseScore":9.6,"baseSeverity":"CRITICAL","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"CHANGED","confidentialityImpact":"NONE","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":3.1,"impactScore":5.8},{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":5.9}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:L/Au:S/C:P/I:P/A:P","baseScore":6.5,"accessVector":"NETWORK","accessComplexity":"LOW","authentication":"SINGLE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL"},"baseSeverity":"MEDIUM","exploitabilityScore":8.0,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}]},"weaknesses":[{"source":"psirt@arista.com","type":"Secondary","description":[{"lang":"en","value":"CWE-287"}]},{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-287"}]}],"configurations":[{"operator":"AND","nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:arista:metamako_operating_system:*:*:*:*:*:*:*:*","versionEndIncluding":"0.34.0","matchCriteriaId":"6C11D2B4-0389-4B23-B22A-1B0CB1B2299A"}]},{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":false,"criteria":"cpe:2.3:h:arista:7130:-:*:*:*:*:*:*:*","matchCriteriaId":"4D832798-DA45-4F9E-AA31-5D088253A28A"}]}]}],"references":[{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68","source":"psirt@arista.com","tags":["Mitigation","Vendor Advisory"]},{"url":"https://www.arista.com/en/support/advisories-notices/security-advisories/12916-security-advisory-68","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Mitigation","Vendor Advisory"]}]}}]}