{"containers":{"cna":{"affected":[{"product":"istio","vendor":"istio","versions":[{"status":"affected","version":"< 1.9.8"},{"status":"affected","version":">= 1.10.0, < 1.10.4"},{"status":"affected","version":">= 1.11.0, < 1.11.1"}]}],"descriptions":[{"lang":"en","value":"Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path."}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-863","description":"CWE-863: Incorrect Authorization","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-08-24T22:30:12.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r"},{"tags":["x_refsource_MISC"],"url":"https://istio.io/latest/news/security/istio-security-2021-008"}],"source":{"advisory":"GHSA-hqxw-mm44-gc4r","discovery":"UNKNOWN"},"title":"Fragments in Path May Lead to Authorization Policy Bypass","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-39156","STATE":"PUBLIC","TITLE":"Fragments in Path May Lead to Authorization Policy Bypass"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"istio","version":{"version_data":[{"version_value":"< 1.9.8"},{"version_value":">= 1.10.0, < 1.10.4"},{"version_value":">= 1.11.0, < 1.11.1"}]}}]},"vendor_name":"istio"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"Istio is an open source platform for providing a uniform way to integrate microservices, manage traffic flow across microservices, enforce policies and aggregate telemetry data. Istio 1.11.0, 1.10.3 and below, and 1.9.7 and below contain a remotely exploitable vulnerability where an HTTP request with `#fragment` in the path may bypass Istio’s URI path based authorization policies. Patches are available in Istio 1.11.1, Istio 1.10.4 and Istio 1.9.8. As a work around a Lua filter may be written to normalize the path."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.1,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-863: Incorrect Authorization"}]}]},"references":{"reference_data":[{"name":"https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r","refsource":"CONFIRM","url":"https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r"},{"name":"https://istio.io/latest/news/security/istio-security-2021-008","refsource":"MISC","url":"https://istio.io/latest/news/security/istio-security-2021-008"}]},"source":{"advisory":"GHSA-hqxw-mm44-gc4r","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T01:58:18.136Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://istio.io/latest/news/security/istio-security-2021-008"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-39156","datePublished":"2021-08-24T22:30:12.000Z","dateReserved":"2021-08-16T00:00:00.000Z","dateUpdated":"2024-08-04T01:58:18.136Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}