{"id":"CVE-2023-34939","aliases":["EUVD-2023-38978","GHSA-8rx2-c38v-6hm8"],"status":"published","title":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE...","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","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":"2026-11-12","score":0.05033,"percentile":0.92385,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2023-06-22T00:00:00Z","modified":"2026-10-28T02:30:43Z","products":[{"vendor":"onlyoffice","product":"onlyoffice"}],"references":[{"url":"https://github.com/firsov/onlyoffice","tags":["x_transferred","Exploit","package"]},{"url":"https://github.com/ONLYOFFICE/CommunityServer/blob/master/CHANGELOG.md#version-1252","tags":["x_transferred","Release Notes","web"]},{"url":"https://github.com/firsov/onlyoffice/blob/main/CVE-2023-34939-PoC.md","tags":["x_transferred","Exploit","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-34939","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-8rx2-c38v-6hm8"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/34xxx/CVE-2023-34939.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-34939","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","status":"published","published":"2023-06-22T00:00:00Z","modified":"2024-12-06T18:25:18.641Z","updated_at":"2026-11-02T14:35:35.912488Z"}],"euvd":[{"id":"EUVD-2023-38978","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","status":"published","published":"2023-06-22T00:00:00Z","modified":"2024-12-06T18:25:18Z","updated_at":"2026-11-03T00:04:39.149757Z"}],"ghsa":[{"id":"GHSA-8rx2-c38v-6hm8","title":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE...","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","status":"published","published":"2023-06-22T12:30:14Z","modified":"2024-04-11T21:18:05Z","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-22"],"updated_at":"2026-11-02T14:57:09.217628Z"}],"nvd":[{"id":"CVE-2023-34939","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","status":"published","published":"2023-06-22T12:15:12.013Z","modified":"2026-06-17T06:04:08.67Z","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"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:08:12.414559Z"}],"osv":[{"id":"CVE-2023-34939","description":"Onlyoffice Community Server before v12.5.2 was discovered to contain a remote code execution (RCE) vulnerability via the component UploadProgress.ashx.","status":"published","published":"2023-06-22T00:00:00Z","modified":"2026-10-28T02:30:43.77555617Z","updated_at":"2026-11-02T15:44:32.116263Z"}]}}