{"id":"CVE-2021-0341","aliases":["A-171980069","GHSA-3cqm-mf7h-prrj"],"url":"https://o3.security/vulnerability/CVE-2021-0341","summary":null,"details":"In verifyHostName of OkHostnameVerifier.java, there is a possible way to accept a certificate for the wrong domain due to improperly used crypto. This could lead to remote information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.","published":"2021-02-01T00:00:00Z","modified":"2026-09-18T15:47:37.392928379Z","cvss":null,"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Android","name":"platform/external/okhttp","fixedVersion":"8.0:2021-02-01"},{"ecosystem":"Android","name":"platform/libcore","fixedVersion":"8.0:2021-02-01"},{"ecosystem":"Android","name":"platform/external/okhttp","fixedVersion":"8.1:2021-02-01"},{"ecosystem":"Android","name":"platform/libcore","fixedVersion":"8.1:2021-02-01"},{"ecosystem":"Android","name":"platform/external/okhttp","fixedVersion":"9:2021-02-01"},{"ecosystem":"Android","name":"platform/libcore","fixedVersion":"9:2021-02-01"},{"ecosystem":"Android","name":"platform/external/okhttp","fixedVersion":"10:2021-02-01"},{"ecosystem":"Android","name":"platform/libcore","fixedVersion":"10:2021-02-01"},{"ecosystem":"Android","name":"platform/external/okhttp","fixedVersion":"11:2021-02-01"},{"ecosystem":"Android","name":"platform/libcore","fixedVersion":"11:2021-02-01"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://source.android.com/security/bulletin/2021-02-01"},{"type":"FIX","url":"https://android.googlesource.com/platform/external/okhttp/+/ddc934efe3ed06ce34f3724d41cfbdcd7e7358fc"},{"type":"FIX","url":"https://android.googlesource.com/platform/libcore/+/4076be9a99bad5ff7651540df976c57462c3b8ce"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-09-18T15:47:37.392928379Z"}}