{"id":"CVE-2021-23262","aliases":["EUVD-2021-10361","GHSA-v5x7-7m6q-5hvf"],"status":"published","title":"Snakeyaml deserialization vulnerability bypass","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","severity":{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-09","score":0.00643,"percentile":0.51137,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-913"],"published":"2021-12-02T15:40:57Z","modified":"2026-10-24T10:30:40Z","products":[{"vendor":"crafter software","product":"crafter cms"},{"vendor":"craftercms","product":"crafter_cms"}],"references":[{"url":"https://docs.craftercms.org/en/3.1/security/advisory.html#cv-2021120105","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-23262"},{"url":"https://github.com/advisories/GHSA-v5x7-7m6q-5hvf"}],"sources":{"cve":[{"id":"CVE-2021-23262","title":"Snakeyaml deserialization vulnerability bypass","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","status":"published","published":"2021-12-02T15:40:57.695Z","modified":"2024-09-16T21:57:11.063Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"cna"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T14:33:00.819444Z"}],"euvd":[{"id":"EUVD-2021-10361","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","status":"published","published":"2021-12-02T15:40:57Z","modified":"2024-09-16T21:57:11Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:55:07.221362Z"}],"ghsa":[{"id":"GHSA-v5x7-7m6q-5hvf","title":"Authenticated administrators may modify the main YAML configuration file and load a Java class...","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","status":"published","published":"2021-12-03T00:00:28Z","modified":"2023-02-01T05:06:27Z","cwes":["CWE-913"],"updated_at":"2026-11-02T14:50:21.264393Z"}],"nvd":[{"id":"CVE-2021-23262","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","status":"published","published":"2021-12-02T16:15:07.68Z","modified":"2026-06-17T03:38:29.243Z","cvss":[{"version":"3.1","score":4.2,"vector":"CVSS:3.1/AV:N/AC:H/PR:H/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.5,"vector":"AV:N/AC:L/Au:S/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-913"],"updated_at":"2026-11-02T14:07:01.811115Z"}],"osv":[{"id":"CVE-2021-23262","description":"Authenticated administrators may modify the main YAML configuration file and load a Java class resulting in RCE.","status":"published","published":"2021-12-02T16:15:07.68Z","modified":"2026-10-24T10:30:40.000669915Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:18.367807Z"}]}}