CVE-2021-39156

{"cve": {"data_type": "CVE", "references": {"reference_data": [{"url": "https://istio.io/latest/news/security/istio-security-2021-008", "name": "https://istio.io/latest/news/security/istio-security-2021-008", "tags": ["Vendor Advisory"], "refsource": "MISC"}, {"url": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r", "name": "https://github.com/istio/istio/security/advisories/GHSA-hqxw-mm44-gc4r", "tags": ["Third Party Advisory"], "refsource": "CONFIRM"}]}, "data_format": "MITRE", "description": {"description_data": [{"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\u00e2\u20ac\u2122s 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."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "en", "value": "CWE-706"}]}]}, "data_version": "4.0", "CVE_data_meta": {"ID": "CVE-2021-39156", "ASSIGNER": "security-advisories@github.com"}}, "impact": {"baseMetricV2": {"cvssV2": {"version": "2.0", "baseScore": 5.0, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "LOW", "availabilityImpact": "NONE", "confidentialityImpact": "PARTIAL"}, "severity": "MEDIUM", "acInsufInfo": false, "impactScore": 2.9, "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}, "baseMetricV3": {"cvssV3": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 7.5, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 3.6, "exploitabilityScore": 3.9}}, "publishedDate": "2021-08-24T23:15Z", "configurations": {"nodes": [{"children": [], "operator": "OR", "cpe_match": [{"cpe23Uri": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.11.1", "versionStartIncluding": "1.11.0"}, {"cpe23Uri": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.9.8"}, {"cpe23Uri": "cpe:2.3:a:istio:istio:*:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true, "versionEndExcluding": "1.10.3", "versionStartIncluding": "1.10.0"}]}], "CVE_data_version": "4.0"}, "lastModifiedDate": "2022-08-12T18:01Z"}