{"id":"CVE-2021-34808","aliases":["EUVD-2021-21455","GHSA-x9fw-v6jg-w952"],"status":"published","title":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before...","description":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.","severity":{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01016,"percentile":0.63575,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-918"],"published":"2021-06-18T03:00:32Z","modified":"2026-06-17T03:56:36Z","products":[{"vendor":"plex","product":"media server"},{"vendor":"synology","product":"media server"},{"vendor":"synology","product":"media_server"}],"references":[{"url":"https://www.synology.com/security/advisory/Synology_SA_21_10","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-34808"},{"url":"https://github.com/advisories/GHSA-x9fw-v6jg-w952"}],"sources":{"cve":[{"id":"CVE-2021-34808","description":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.","status":"published","published":"2021-06-18T03:00:32.942Z","modified":"2024-09-17T03:47:41.516Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"cna"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:33:11.244759Z"}],"euvd":[{"id":"EUVD-2021-21455","description":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.","status":"published","published":"2021-06-18T03:00:32Z","modified":"2024-09-17T03:47:41Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium"}],"updated_at":"2026-11-03T00:28:29.042248Z"}],"ghsa":[{"id":"GHSA-x9fw-v6jg-w952","title":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before...","description":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.","status":"published","published":"2022-05-24T19:05:40Z","modified":"2023-01-29T05:07:02Z","cwes":["CWE-918"],"updated_at":"2026-11-02T14:46:08.233339Z"}],"nvd":[{"id":"CVE-2021-34808","description":"Server-Side Request Forgery (SSRF) vulnerability in cgi component in Synology Media Server before 1.8.3-2881 allows remote attackers to access intranet resources via unspecified vectors.","status":"published","published":"2021-06-18T03:15:06.73Z","modified":"2026-06-17T03:56:36.47Z","cvss":[{"version":"3.1","score":5.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N","level":"medium","assessor":"secondary"},{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:P/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-918"],"updated_at":"2026-11-02T14:06:54.892562Z"}]}}