{"id":"CVE-2021-20796","aliases":["EUVD-2021-8208","GHSA-hj57-6wxm-559x"],"status":"published","title":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows...","description":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01516,"percentile":0.74744,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-22"],"published":"2021-10-13T08:30:49Z","modified":"2026-06-17T03:34:27Z","products":[{"vendor":"cybozu","product":"remote_service_manager"},{"vendor":"cybozu, inc.","product":"cybozu remote service"}],"references":[{"url":"https://jvn.jp/en/jp/JVN52694228/index.html","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://kb.cybozu.support/article/37427","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20796"},{"url":"https://github.com/advisories/GHSA-hj57-6wxm-559x"}],"sources":{"cve":[{"id":"CVE-2021-20796","description":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.","status":"published","published":"2021-10-13T08:30:49Z","modified":"2024-08-03T17:53:22.583Z","updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2021-8208","description":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.","status":"published","published":"2021-10-13T08:30:49Z","modified":"2024-08-03T17:53:22Z","updated_at":"2026-11-03T03:25:07.874589Z"}],"ghsa":[{"id":"GHSA-hj57-6wxm-559x","title":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows...","description":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.","status":"published","published":"2022-05-24T19:17:27Z","modified":"2023-01-30T05:02:38Z","cwes":["CWE-22"],"updated_at":"2026-11-02T14:46:40.912111Z"}],"nvd":[{"id":"CVE-2021-20796","description":"Directory traversal vulnerability in the management screen of Cybozu Remote Service 3.1.8 allows a remote authenticated attacker to upload an arbitrary file via unspecified vectors.","status":"published","published":"2021-10-13T09:15:07.767Z","modified":"2026-06-17T03:34:27.967Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-22"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}