{"id":"CVE-2021-25255","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-25255","generatedAt":"2026-10-28T05:26:44.475Z","title":"Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.","description":"Yandex Browser Lite for Android prior to version 21.1.0 allows remote attackers to cause a denial of service.","published":"2025-05-21T07:16:01.000Z","lastModified":"2026-06-17T03:41:44.000Z","status":"Analyzed","sourceIdentifier":"browser-security@yandex-team.ru","cvss":{"version":"4.0","score":8.3,"severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:H/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-20"],"affected":["yandex/yandex browser"],"epss":{"score":0.0082,"percentile":0.57051,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.82%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://yandex.com/bugbounty/i/hall-of-fame-browser/","tags":["Vendor Advisory"],"source":"browser-security@yandex-team.ru"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-25255","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}