{"id":"CVE-2021-25263","aliases":["EUVD-2021-12174","GHSA-37r4-xgj4-h786"],"status":"published","title":"Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55...","description":"Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00414,"percentile":0.36031,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-732"],"published":"2021-08-17T18:34:04Z","modified":"2026-06-17T03:41:44Z","products":[{"vendor":"yandex","product":"yandex_browser"}],"references":[{"url":"https://yandex.com/bugbounty/i/hall-of-fame-browser/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25263"},{"url":"https://clickhouse.tech/docs/en/whats-new/security-changelog/"},{"url":"https://github.com/advisories/GHSA-37r4-xgj4-h786"}],"sources":{"cve":[{"id":"CVE-2021-25263","description":"Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.","status":"published","published":"2021-08-17T18:34:04Z","modified":"2024-08-03T19:56:11.179Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12174","description":"Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.","status":"published","published":"2021-08-17T18:34:04Z","modified":"2024-08-03T19:56:11Z","updated_at":"2026-11-03T03:24:53.85348Z"}],"ghsa":[{"id":"GHSA-37r4-xgj4-h786","title":"Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55...","description":"Clickhouse prior to versions v20.8.18.32-lts, v21.1.9.41-stable, v21.2.9.41-stable, v21.3.6.55-lts, v21.4.3.21-stable allows user to read any file on the host system, that clickhouse user has access to.","status":"published","published":"2022-05-24T19:11:23Z","modified":"2023-01-27T05:02:52Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium"}],"updated_at":"2026-11-02T14:42:06.943612Z"}],"nvd":[{"id":"CVE-2021-25263","description":"Local privilege vulnerability in Yandex Browser for Windows prior to 21.9.0.390 allows a local, low privileged, attacker to execute arbitary code with the SYSTEM privileges through manipulating files in directory with insecure permissions during Yandex Browser update process.","status":"published","published":"2021-08-17T19:15:08.103Z","modified":"2026-06-17T03:41:44Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-732"],"updated_at":"2026-11-02T14:06:57.318236Z"}]}}