{"schemaVersion":3,"id":"CVE-2021-39156","aliases":["CGA-2xj8-m8gv-3j52","CGA-v65j-8h52-9r4w","CGA-xfjq-wrh6-xfjp","CGA-xgh9-jv86-35r3","GHSA-hqxw-mm44-gc4r","CGA-2v37-rf86-3gh4","CGA-2vgp-m3j3-wx34","CGA-585v-9c3q-m393","CGA-5m9c-6p85-3ggv","CGA-6pp6-437f-gww7","CGA-7frf-f4hh-5rq9","CGA-7g2x-m97p-2hcv","CGA-86q9-7g65-9qpw","CGA-8vmr-3wf6-cj65","CGA-f8xf-pv6g-82fr","CGA-f92g-77g5-v9g5","CGA-fvqg-grxr-78vx","CGA-px97-mmwm-27wf","CGA-rf92-72fg-9px2","CGA-v3mm-cc3v-jh3f","CGA-xj8m-j939-gc66"],"status":"published","duplicateOf":null,"title":null,"description":"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.","dates":{"published":"2021-08-24T22:30:12.000Z","modified":"2024-08-04T01:58:18.136Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":8.1,"severity":"high","version":"3.1","versionLabel":"v3.1","source":"CVE.org","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","computed":false,"selection":"backend-summary"},"metrics":[{"version":"3.1","versionLabel":"v3.1","source":"CVE.org","score":8.1,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N","exploitability":null,"impact":null,"computed":false},{"version":"3.1","versionLabel":"v3.1","source":"OSV · Wolfi","score":7.5,"severity":"high","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","exploitability":10,"impact":6,"computed":true},{"version":"3.1","versionLabel":"v3.1","source":"OSV · 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