{"id":"CVE-2021-20278","state":"PUBLISHED","title":"An authentication bypass vulnerability was found in Kiali in versions before 1.31.0 when the authentication strategy `OpenID` is used. When RBAC is enabled, Kiali assumes that some","description":"An authentication bypass vulnerability was found in Kiali in versions before 1.31.0 when the authentication strategy `OpenID` is used. When RBAC is enabled, Kiali assumes that some of the token validation is handled by the underlying cluster. When OpenID `implicit flow` is used with RBAC turned off, this token validation doesn't occur, and this allows a malicious user to bypass the authentication.","publishedAt":"2021-05-28T10:42:40.000Z","updatedAt":"2024-08-03T17:37:23.663Z","severity":null,"assigner":"redhat","products":["n/a kiali"],"affected":[{"vendor":"n/a","product":"kiali","versions":[{"version":"kiali 1.31.0","status":"affected"}]}],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=1937171","https://kiali.io/news/security-bulletins/kiali-security-002/"],"weaknesses":["CWE-290"],"ingestedAt":"2026-10-29T19:47:55.610Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/20xxx/CVE-2021-20278.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-20278","state":"PUBLISHED","datePublished":"2021-05-28T10:42:40.000Z","dateUpdated":"2024-08-03T17:37:23.663Z","assignerShortName":"redhat","assignerOrgId":"53f830b8-0a3f-465b-8143-3b8a9948e749","dateReserved":"2020-12-17T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An authentication bypass vulnerability was found in Kiali in versions before 1.31.0 when the authentication strategy `OpenID` is used. When RBAC is enabled, Kiali assumes that some of the token validation is handled by the underlying cluster. When OpenID `implicit flow` is used with RBAC turned off, this token validation doesn't occur, and this allows a malicious user to bypass the authentication."}],"affected":[{"vendor":"n/a","product":"kiali","versions":[{"version":"kiali 1.31.0","status":"affected"}]}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1937171","tags":["x_refsource_MISC"]},{"url":"https://kiali.io/news/security-bulletins/kiali-security-002/","tags":["x_refsource_MISC"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-290","description":"CWE-290","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"redhat","dateUpdated":"2021-05-28T10:42:40.000Z","orgId":"53f830b8-0a3f-465b-8143-3b8a9948e749"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"secalert@redhat.com","ID":"CVE-2021-20278","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"kiali","version":{"version_data":[{"version_value":"kiali 1.31.0"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An authentication bypass vulnerability was found in Kiali in versions before 1.31.0 when the authentication strategy `OpenID` is used. When RBAC is enabled, Kiali assumes that some of the token validation is handled by the underlying cluster. When OpenID `implicit flow` is used with RBAC turned off, this token validation doesn't occur, and this allows a malicious user to bypass the authentication."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-290"}]}]},"references":{"reference_data":[{"name":"https://bugzilla.redhat.com/show_bug.cgi?id=1937171","refsource":"MISC","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1937171"},{"name":"https://kiali.io/news/security-bulletins/kiali-security-002/","refsource":"MISC","url":"https://kiali.io/news/security-bulletins/kiali-security-002/"}]}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1937171","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://kiali.io/news/security-bulletins/kiali-security-002/","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T17:37:23.663Z"}}]}}}