{"id":"CVE-2021-37544","aliases":["EUVD-2021-24105","GHSA-2gmp-8pr5-3jc6"],"status":"published","title":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","description":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","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":"2026-11-10","score":0.01203,"percentile":0.68492,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2021-08-06T13:23:39Z","modified":"2026-06-17T04:00:42Z","products":[{"vendor":"jetbrains","product":"teamcity"}],"references":[{"url":"https://blog.jetbrains.com/blog/2021/08/05/jetbrains-security-bulletin-q2-2021/","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-37544"},{"url":"https://github.com/advisories/GHSA-2gmp-8pr5-3jc6"}],"sources":{"cve":[{"id":"CVE-2021-37544","description":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","status":"published","published":"2021-08-06T13:23:39Z","modified":"2024-08-04T01:23:01.408Z","updated_at":"2026-11-02T14:32:58.359368Z"}],"euvd":[{"id":"EUVD-2021-24105","description":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","status":"published","published":"2021-08-06T13:23:39Z","modified":"2024-08-04T01:23:01Z","updated_at":"2026-11-03T03:24:26.681577Z"}],"ghsa":[{"id":"GHSA-2gmp-8pr5-3jc6","title":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","description":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","status":"published","published":"2022-05-24T19:10:18Z","modified":"2023-01-30T05:01:17Z","cwes":["CWE-502"],"updated_at":"2026-11-02T14:46:22.480874Z"}],"nvd":[{"id":"CVE-2021-37544","description":"In JetBrains TeamCity before 2020.2.4, there was an insecure deserialization.","status":"published","published":"2021-08-06T14:15:08.11Z","modified":"2026-06-17T04:00:42.707Z","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-502"],"updated_at":"2026-11-02T14:06:56.562207Z"}]}}