{"id":"CVE-2021-20801","aliases":["EUVD-2021-8213","GHSA-33hf-cc48-qxc6"],"status":"published","title":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML...","description":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.01064,"percentile":0.64963,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-611"],"published":"2021-10-13T08:30:57Z","modified":"2026-06-17T03:34:28Z","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/37423","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-20801"},{"url":"https://github.com/advisories/GHSA-33hf-cc48-qxc6"}],"sources":{"cve":[{"id":"CVE-2021-20801","description":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.","status":"published","published":"2021-10-13T08:30:57Z","modified":"2024-08-03T17:53:22.673Z","updated_at":"2026-11-02T14:32:55.564736Z"}],"euvd":[{"id":"EUVD-2021-8213","description":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.","status":"published","published":"2021-10-13T08:30:57Z","modified":"2024-08-03T17:53:22Z","updated_at":"2026-11-03T03:25:07.874589Z"}],"ghsa":[{"id":"GHSA-33hf-cc48-qxc6","title":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML...","description":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.","status":"published","published":"2022-05-24T19:17:26Z","modified":"2023-01-30T05:02:49Z","cwes":["CWE-611"],"updated_at":"2026-11-02T14:46:43.162136Z"}],"nvd":[{"id":"CVE-2021-20801","description":"Cybozu Remote Service 3.1.8 to 3.1.9 allows a remote authenticated attacker to conduct XML External Entity (XXE) attacks and obtain the information stored in the product via unspecified vectors. This issue occurs only when using Mozilla Firefox.","status":"published","published":"2021-10-13T09:15:07.967Z","modified":"2026-06-17T03:34:28.47Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-611"],"updated_at":"2026-11-02T14:06:59.689345Z"}]}}