{"id":"CVE-2020-22755","aliases":["EUVD-2023-1444","GHSA-293v-5329-36wp"],"status":"published","title":"MCMS vulnerable to arbitrary code execution via crafted thumbnail","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.00924,"percentile":0.60855,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-434"],"published":"2023-05-08T00:00:00Z","modified":"2026-06-17T03:04:22Z","affected":[{"source":"ghsa","ecosystem":"Maven","package":"net.mingsoft:ms-mcms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.0.0"}]}]},{"source":"osv","ecosystem":"Maven","package":"net.mingsoft:ms-mcms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"last_affected":"5.0.0"}]}],"versions":["4.6.3-SNAPSHOTS","4.6.5","4.7.1","4.7.2","5.0.0"]}],"products":[{"vendor":"mingsoft","product":"mcms"}],"references":[{"url":"https://github.com/ming-soft/MCMS","tags":["x_transferred","Product","package"]},{"url":"https://github.com/ming-soft/MCMS/issues/42","tags":["x_transferred","Exploit","Issue Tracking","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-22755","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-293v-5329-36wp"}],"sources":{"cve":[{"id":"CVE-2020-22755","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","status":"published","published":"2023-05-08T00:00:00Z","modified":"2025-01-29T16:47:34.188Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:35:46.873079Z"}],"euvd":[{"id":"EUVD-2023-1444","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","status":"published","published":"2023-05-08T00:00:00Z","modified":"2025-01-29T16:47:34Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:04:09.89712Z"}],"ghsa":[{"id":"GHSA-293v-5329-36wp","title":"MCMS vulnerable to arbitrary code execution via crafted thumbnail","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","status":"published","published":"2023-05-08T15:30:18Z","modified":"2023-11-05T05:06:11Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:37:13.301199Z"}],"nvd":[{"id":"CVE-2020-22755","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","status":"published","published":"2023-05-08T14:15:10.423Z","modified":"2026-06-17T03:04:22.16Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T14:06:47.910346Z"}],"osv":[{"id":"GHSA-293v-5329-36wp","title":"MCMS vulnerable to arbitrary code execution via crafted thumbnail","description":"File upload vulnerability in MCMS 5.0 allows attackers to execute arbitrary code via a crafted thumbnail. A different vulnerability than CVE-2022-31943.","status":"published","published":"2023-05-08T15:30:18Z","modified":"2024-02-16T08:02:31.756238Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-434"],"updated_at":"2026-11-02T15:46:33.956911Z"}]}}