{"id":"CVE-2023-34634","aliases":["EUVD-2023-38678","GHSA-8743-hwvq-mj5j"],"status":"published","title":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely...","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.07551,"percentile":0.94559,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"published":"2023-08-01T00:00:00Z","modified":"2026-10-28T02:30:27Z","exploits":[{"source":"metasploit","id":"exploit/windows/fileformat/greenshot_deserialize_cve_2023_34634","title":"Greenshot .NET Deserialization Fileformat Exploit","type":"exploit","platform":"Windows","date":"2023-07-26","verified":true,"url":"https://www.rapid7.com/db/modules/exploit/windows/fileformat/greenshot_deserialize_cve_2023_34634"},{"source":"exploitdb","id":"EDB-51633","title":"GreenShot  1.2.10 - Insecure Deserialization Arbitrary Code Execution","type":"local","platform":"windows","date":"2023-07-28","url":"https://www.exploit-db.com/exploits/51633"},{"source":"pocgithub","id":"radman404/CVE-2023-34634","title":"radman404/CVE-2023-34634","date":"2023-08-18","url":"https://github.com/radman404/CVE-2023-34634"},{"source":"pocgithub","id":"LBVDSEC/GreenshotShell-CVE-2023-34634","title":"LBVDSEC/GreenshotShell-CVE-2023-34634","date":"2026-11-02","url":"https://github.com/LBVDSEC/GreenshotShell-CVE-2023-34634"}],"products":[{"vendor":"getgreenshot","product":"greenshot"}],"references":[{"url":"https://greenshot.atlassian.net/browse/BUG-3061","tags":["x_transferred","Issue Tracking","Third Party Advisory","web"]},{"url":"https://github.com/greenshot/greenshot/commit/a152e2883fca7f78051b3bd6b1e5cc57355cb44c","tags":["x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://www.exploit-db.com/exploits/51633","tags":["x_transferred","Exploit","Third Party Advisory","VDB Entry","web"]},{"url":"http://packetstormsecurity.com/files/173825/GreenShot-1.2.10-Arbitrary-Code-Execution.html","tags":["x_transferred","Exploit","Permissions Required","Third Party Advisory","VDB Entry","web"]},{"url":"http://packetstormsecurity.com/files/174222/Greenshot-1.3.274-Deserialization-Command-Execution.html","tags":["x_transferred","Permissions Required","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34634","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8743-hwvq-mj5j"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34634.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-34634","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","status":"published","published":"2023-08-01T00:00:00Z","modified":"2024-10-23T20:45:48.709Z","updated_at":"2026-11-02T14:35:35.580545Z"}],"euvd":[{"id":"EUVD-2023-38678","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","status":"published","published":"2023-08-01T00:00:00Z","modified":"2024-10-23T20:45:48Z","updated_at":"2026-11-03T00:05:20.595169Z"}],"ghsa":[{"id":"GHSA-8743-hwvq-mj5j","title":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely...","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","status":"published","published":"2023-08-01T15:30:30Z","modified":"2024-04-04T06:28:11Z","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"}],"updated_at":"2026-11-02T14:56:42.669106Z"}],"nvd":[{"id":"CVE-2023-34634","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","status":"published","published":"2023-08-01T14:15:10.07Z","modified":"2026-06-17T06:03:53.557Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"updated_at":"2026-11-02T14:08:18.687088Z"}],"osv":[{"id":"CVE-2023-34634","description":"Greenshot 1.2.10 and below allows arbitrary code execution because .NET content is insecurely deserialized when a .greenshot file is opened.","status":"published","published":"2023-08-01T00:00:00Z","modified":"2026-10-28T02:30:27.912951473Z","updated_at":"2026-11-02T15:44:32.116263Z"}]}}