{"id":"CVE-2021-25770","aliases":["EUVD-2021-12653","GHSA-j9h8-94jh-mvvv"],"status":"published","title":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible,...","description":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.03621,"percentile":0.89676,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-94"],"published":"2021-02-03T15:31:27Z","modified":"2026-06-17T03:42:25Z","products":[{"vendor":"jetbrains","product":"youtrack"}],"references":[{"url":"https://blog.jetbrains.com","tags":["x_refsource_MISC","x_transferred","Product"]},{"url":"https://blog.jetbrains.com/blog/2021/02/03/jetbrains-security-bulletin-q4-2020/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-25770"},{"url":"https://github.com/advisories/GHSA-j9h8-94jh-mvvv"}],"sources":{"cve":[{"id":"CVE-2021-25770","description":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.","status":"published","published":"2021-02-03T15:31:27Z","modified":"2024-08-03T20:11:27.963Z","updated_at":"2026-11-02T14:32:59.802172Z"}],"euvd":[{"id":"EUVD-2021-12653","description":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.","status":"published","published":"2021-02-03T15:31:27Z","modified":"2024-08-03T20:11:27Z","updated_at":"2026-11-03T03:24:52.420769Z"}],"ghsa":[{"id":"GHSA-j9h8-94jh-mvvv","title":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible,...","description":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.","status":"published","published":"2022-05-24T17:40:52Z","modified":"2023-01-29T05:05:13Z","cwes":["CWE-94"],"updated_at":"2026-11-02T14:45:44.421144Z"}],"nvd":[{"id":"CVE-2021-25770","description":"In JetBrains YouTrack before 2020.5.3123, server-side template injection (SSTI) was possible, which could lead to code execution.","status":"published","published":"2021-02-03T16:15:15.243Z","modified":"2026-06-17T03:42:25.717Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:06:49.660551Z"}]}}