{"id":"CVE-2021-25262","aliases":["EUVD-2021-12173","GHSA-qpcv-fjxx-24cv"],"status":"published","title":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","description":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","severity":{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00455,"percentile":0.39756,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-116"],"published":"2025-05-21T07:07:29Z","modified":"2026-06-17T03:41:43Z","products":[{"vendor":"lenovo","product":"browser"},{"vendor":"yandex","product":"browser"},{"vendor":"yandex","product":"yandex_browser"}],"references":[{"url":"https://yandex.com/bugbounty/i/hall-of-fame-browser/","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25262"},{"url":"https://yandex.com/bugbounty/i/hall-of-fame-browser"},{"url":"https://github.com/advisories/GHSA-qpcv-fjxx-24cv"}],"sources":{"cve":[{"id":"CVE-2021-25262","title":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","description":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","status":"published","published":"2025-05-21T07:07:29.31Z","modified":"2025-05-21T13:51:43.378Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium","assessor":"cna"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12173","description":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","status":"published","published":"2025-05-21T07:07:29Z","modified":"2025-05-21T13:51:43Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N","level":"medium"}],"updated_at":"2026-11-02T20:32:41.963587Z"}],"ghsa":[{"id":"GHSA-qpcv-fjxx-24cv","title":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN...","description":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","status":"published","published":"2025-05-21T21:31:37Z","modified":"2025-06-10T18:32:18Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T15:02:39.469785Z"}],"nvd":[{"id":"CVE-2021-25262","description":"Yandex Browser for Android prior to version 21.3.0 allows remote attackers to perform IDN homograph attack.","status":"published","published":"2025-05-21T07:16:00.653Z","modified":"2026-06-17T03:41:43.883Z","cvss":[{"version":"4.0","score":6.9,"vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-116"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}