{"id":"CVE-2021-29083","aliases":["EUVD-2021-15724","GHSA-cjg6-frrp-p7cp"],"status":"published","title":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in...","description":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.","severity":{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.02713,"percentile":0.86117,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-78"],"published":"2021-04-01T05:20:13Z","modified":"2026-06-17T03:47:15Z","products":[{"vendor":"synology","product":"diskstation_manager"},{"vendor":"synology","product":"synology diskstation manager (dsm)"}],"references":[{"url":"https://www.synology.com/security/advisory/Synology_SA_20_26","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-29083"},{"url":"https://github.com/advisories/GHSA-cjg6-frrp-p7cp"}],"sources":{"cve":[{"id":"CVE-2021-29083","description":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.","status":"published","published":"2021-04-01T05:20:13.245Z","modified":"2024-09-17T02:42:37.369Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:33:06.32268Z"}],"euvd":[{"id":"EUVD-2021-15724","description":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.","status":"published","published":"2021-04-01T05:20:13Z","modified":"2024-09-17T02:42:37Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T00:28:37.764675Z"}],"ghsa":[{"id":"GHSA-cjg6-frrp-p7cp","title":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in...","description":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.","status":"published","published":"2022-05-24T17:46:06Z","modified":"2025-01-14T21:31:42Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:59:31.794566Z"}],"nvd":[{"id":"CVE-2021-29083","description":"Improper neutralization of special elements used in an OS command in SYNO.Core.Network.PPPoE in Synology DiskStation Manager (DSM) before 6.2.3-25426-3 allows remote authenticated users to execute arbitrary code via realname parameter.","status":"published","published":"2021-04-01T06:15:17.697Z","modified":"2026-06-17T03:47:15.92Z","cvss":[{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":9,"vector":"AV:N/AC:L/Au:S/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-78"],"updated_at":"2026-11-02T14:06:51.197859Z"}]}}