{"id":"CVE-2020-8441","aliases":["EUVD-2022-2430","GHSA-4qhr-q7wf-94xp"],"status":"published","title":"Deserialization of Untrusted Data in JYaml","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","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":"2026-11-11","score":0.04962,"percentile":0.92291,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-502"],"published":"2020-02-19T16:19:12Z","modified":"2026-06-17T03:26:23Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"org.jyaml:jyaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3"}]}]},{"source":"osv","ecosystem":"Maven","package":"org.jyaml:jyaml","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"1.3"}]}],"versions":["1.2","1.3"]}],"products":[{"vendor":"jyaml_project","product":"jyaml"}],"references":[{"url":"https://github.com/mbechler/marshalsec","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://github.com/mbechler/marshalsec/blob/master/marshalsec.pdf","tags":["x_refsource_MISC","x_transferred","Technical Description","Third Party Advisory","web"]},{"url":"https://sourceforge.net/p/jyaml/bugs/","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://gist.github.com/j0lt-github/f5141abcacae63d434ecae211422153a","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://security.netapp.com/advisory/ntap-20200313-0001/","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-8441","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-4qhr-q7wf-94xp"},{"url":"https://security.netapp.com/advisory/ntap-20200313-0001","tags":["web"]},{"url":"https://sourceforge.net/p/jyaml/bugs","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-8441","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","status":"published","published":"2020-02-19T16:19:12Z","modified":"2024-08-04T09:56:28.383Z","updated_at":"2026-11-02T14:35:50.88562Z"}],"euvd":[{"id":"EUVD-2022-2430","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","status":"published","published":"2020-02-19T16:19:12Z","modified":"2024-08-04T09:56:28Z","updated_at":"2026-11-03T03:07:57.14802Z"}],"ghsa":[{"id":"GHSA-4qhr-q7wf-94xp","title":"Deserialization of Untrusted Data in JYaml","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","status":"published","published":"2022-05-24T17:09:22Z","modified":"2023-01-27T05:02:27Z","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"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T14:36:18.427692Z"}],"nvd":[{"id":"CVE-2020-8441","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","status":"published","published":"2020-02-19T17:15:11.387Z","modified":"2026-06-17T03:26:23.28Z","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":"2026-11-02T14:05:54.796125Z"}],"osv":[{"id":"GHSA-4qhr-q7wf-94xp","title":"Deserialization of Untrusted Data in JYaml","description":"JYaml through 1.3 allows remote code execution during deserialization of a malicious payload through the load() function. NOTE: this is a discontinued product.","status":"published","published":"2022-05-24T17:09:22Z","modified":"2024-02-21T05:32:37.975111Z","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"}],"cwes":["CWE-502"],"updated_at":"2026-11-02T15:46:37.148947Z"}]}}