{ "containers": { "cna": { "affected": [ { "product": "EOS", "vendor": "Arista Networks", "versions": [ { "lessThanOrEqual": "4.26.0", "status": "affected", "version": "4.26.2F", "versionType": "custom" }, { "lessThanOrEqual": "4.25.5", "status": "affected", "version": "4.25.5.1M", "versionType": "custom" }, { "lessThanOrEqual": "4.25.4", "status": "affected", "version": "4.25.4M", "versionType": "custom" }, { "lessThanOrEqual": "4.25.0", "status": "affected", "version": "4.25.3", "versionType": "custom" }, { "lessThanOrEqual": "4.24.2F", "status": "affected", "version": "4.24.7M", "versionType": "custom" } ] } ], "datePublic": "2022-01-11T00:00:00.000Z", "descriptions": [ { "lang": "en", "value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-285", "description": "CWE-285 Improper Authorization", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2022-01-14T19:04:50.000Z", "orgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "shortName": "Arista" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071" } ], "solutions": [ { "lang": "en", "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release. \nCVE-2021-28506 has been fixed in the following releases:\n4.26.3M and later releases in the 4.26.x train\n4.25.6M and later releases in the 4.25.x train\n4.25.4.1M and later releases in the 4.25.4.x train\n4.24.8M and later releases in the 4.24.x train" } ], "source": { "advisory": "71", "defect": [ "BUG", "606192" ], "discovery": "EXTERNAL" }, "title": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device.", "workarounds": [ { "lang": "en", "value": "No mitigation options available" }, { "lang": "en", "value": "To mitigate CVE-2021-28506 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems." } ], "x_generator": { "engine": "Vulnogram 0.0.9" }, "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "psirt@arista.com", "DATE_PUBLIC": "2022-01-11T22:22:00.000Z", "ID": "CVE-2021-28506", "STATE": "PUBLIC", "TITLE": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device." }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "EOS", "version": { "version_data": [ { "version_affected": "<=", "version_name": "4.26.2F", "version_value": "4.26.0" }, { "version_affected": "<=", "version_name": "4.25.5.1M", "version_value": "4.25.5" }, { "version_affected": "<=", "version_name": "4.25.4M", "version_value": "4.25.4" }, { "version_affected": "<=", "version_name": "4.25.3", "version_value": "4.25.0" }, { "version_affected": "<=", "version_name": "4.24.7M", "version_value": "4.24.2F" } ] } } ] }, "vendor_name": "Arista Networks" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "An issue has recently been discovered in Arista EOS where certain gNOI APIs incorrectly skip authorization and authentication which could potentially allow a factory reset of the device." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.1, "baseSeverity": "CRITICAL", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-285 Improper Authorization" } ] } ] }, "references": { "reference_data": [ { "name": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071", "refsource": "MISC", "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071" } ] }, "solution": [ { "lang": "en", "value": "The recommended resolution is to upgrade to a remediated software version at your earliest convenience. Arista recommends customers move to the latest version of each release. \nCVE-2021-28506 has been fixed in the following releases:\n4.26.3M and later releases in the 4.26.x train\n4.25.6M and later releases in the 4.25.x train\n4.25.4.1M and later releases in the 4.25.4.x train\n4.24.8M and later releases in the 4.24.x train" } ], "source": { "advisory": "71", "defect": [ "BUG", "606192" ], "discovery": "EXTERNAL" }, "work_around": [ { "lang": "en", "value": "No mitigation options available" }, { "lang": "en", "value": "To mitigate CVE-2021-28506 with the continued use of the affected agents, a hotfix employing a proxy service can be deployed. The proxy is configured behind the gNMI/gNOI or RESTCONF server. The hotfix can be downloaded at https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.i386.swix for 32 bit systems and https://www.arista.com/en/support/advisories-notices/sa-download/?sa=71-SecurityAdvisory0071Hotfix.x86_64.swix for 64 bit systems." } ] } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T21:47:32.674Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://www.arista.com/en/support/advisories-notices/security-advisories/13449-security-advisory-0071" } ] } ] }, "cveMetadata": { "assignerOrgId": "c8b34d1a-69ae-45c3-88fe-f3b3d44f39b7", "assignerShortName": "Arista", "cveId": "CVE-2021-28506", "datePublished": "2022-01-14T19:04:50.282Z", "dateReserved": "2021-03-16T00:00:00.000Z", "dateUpdated": "2024-09-16T22:09:48.017Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }