{ "containers": { "cna": { "affected": [ { "product": "nacos", "vendor": "alibaba", "versions": [ { "status": "affected", "version": "< 1.4.1" } ] } ], "descriptions": [ { "lang": "en", "value": "Nacos is a platform designed for dynamic service discovery and configuration and service management. In Nacos before version 1.4.1, when configured to use authentication (-Dnacos.core.auth.enabled=true) Nacos uses the AuthFilter servlet filter to enforce authentication. This filter has a backdoor that enables Nacos servers to bypass this filter and therefore skip authentication checks. This mechanism relies on the user-agent HTTP header so it can be easily spoofed. This issue may allow any user to carry out any administrative tasks on the Nacos server." } ], "metrics": [ { "cvssV3_1": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" } } ], "problemTypes": [ { "descriptions": [ { "cweId": "CWE-290", "description": "CWE-290 Authentication Bypass by Spoofing", "lang": "en", "type": "CWE" } ] } ], "providerMetadata": { "dateUpdated": "2021-04-27T20:20:20.000Z", "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M" }, "references": [ { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/alibaba/nacos/issues/4701" }, { "tags": [ "x_refsource_CONFIRM" ], "url": "https://github.com/advisories/GHSA-36hp-jr8h-556f" }, { "tags": [ "x_refsource_MISC" ], "url": "https://github.com/alibaba/nacos/pull/4703" } ], "source": { "advisory": "GHSA-36hp-jr8h-556f", "discovery": "UNKNOWN" }, "title": "Authentication bypass", "x_legacyV4Record": { "CVE_data_meta": { "ASSIGNER": "security-advisories@github.com", "ID": "CVE-2021-29441", "STATE": "PUBLIC", "TITLE": "Authentication bypass" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "nacos", "version": { "version_data": [ { "version_value": "< 1.4.1" } ] } } ] }, "vendor_name": "alibaba" } ] } }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Nacos is a platform designed for dynamic service discovery and configuration and service management. In Nacos before version 1.4.1, when configured to use authentication (-Dnacos.core.auth.enabled=true) Nacos uses the AuthFilter servlet filter to enforce authentication. This filter has a backdoor that enables Nacos servers to bypass this filter and therefore skip authentication checks. This mechanism relies on the user-agent HTTP header so it can be easily spoofed. This issue may allow any user to carry out any administrative tasks on the Nacos server." } ] }, "impact": { "cvss": { "attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 8.6, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-290 Authentication Bypass by Spoofing" } ] } ] }, "references": { "reference_data": [ { "name": "https://github.com/alibaba/nacos/issues/4701", "refsource": "MISC", "url": "https://github.com/alibaba/nacos/issues/4701" }, { "name": "https://github.com/advisories/GHSA-36hp-jr8h-556f", "refsource": "CONFIRM", "url": "https://github.com/advisories/GHSA-36hp-jr8h-556f" }, { "name": "https://github.com/alibaba/nacos/pull/4703", "refsource": "MISC", "url": "https://github.com/alibaba/nacos/pull/4703" } ] }, "source": { "advisory": "GHSA-36hp-jr8h-556f", "discovery": "UNKNOWN" } } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:02:51.975Z" }, "title": "CVE Program Container", "references": [ { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/alibaba/nacos/issues/4701" }, { "tags": [ "x_refsource_CONFIRM", "x_transferred" ], "url": "https://github.com/advisories/GHSA-36hp-jr8h-556f" }, { "tags": [ "x_refsource_MISC", "x_transferred" ], "url": "https://github.com/alibaba/nacos/pull/4703" } ] } ] }, "cveMetadata": { "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-29441", "datePublished": "2021-04-27T20:20:20.000Z", "dateReserved": "2021-03-30T00:00:00.000Z", "dateUpdated": "2024-08-03T22:02:51.975Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1" }