{"id":"CVE-2021-47859","aliases":["EUVD-2026-3633","GHSA-ccm5-r6jv-m624"],"status":"published","title":"ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path","description":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\\Program Files\\Common Files\\ActivIdentity\\ to inject malicious executables and escalate privileges.","severity":{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00151,"percentile":0.04309,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-428"],"published":"2026-01-21T17:27:40Z","modified":"2026-06-17T04:18:38Z","products":[{"vendor":"hid global","product":"actividentity"}],"references":[{"url":"https://www.exploit-db.com/exploits/49703","tags":["exploit"]},{"url":"https://www.hidglobal.com/","tags":["product"]},{"url":"https://www.vulncheck.com/advisories/actividentity-acsharedstore-unquoted-service-path","tags":["third-party-advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-47859"},{"url":"https://www.hidglobal.com"},{"url":"https://github.com/advisories/GHSA-ccm5-r6jv-m624"}],"sources":{"cve":[{"id":"CVE-2021-47859","title":"ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path","description":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\\Program Files\\Common Files\\ActivIdentity\\ to inject malicious executables and escalate privileges.","status":"published","published":"2026-01-21T17:27:40.912Z","modified":"2026-03-05T01:28:56.314Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high","assessor":"cna"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:32:55.905855Z"}],"euvd":[{"id":"EUVD-2026-3633","description":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\\Program Files\\Common Files\\ActivIdentity\\ to inject malicious executables and escalate privileges.","status":"published","published":"2026-01-21T17:27:40Z","modified":"2026-03-05T01:28:56Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N","level":"high"}],"updated_at":"2026-11-02T19:48:09.897368Z"}],"ghsa":[{"id":"GHSA-ccm5-r6jv-m624","title":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service...","description":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\\Program Files\\Common Files\\ActivIdentity\\ to inject malicious executables and escalate privileges.","status":"published","published":"2026-01-21T18:30:31Z","modified":"2026-01-21T18:30:38Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T15:05:50.792909Z"}],"nvd":[{"id":"CVE-2021-47859","description":"ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service that allows local attackers to potentially execute arbitrary code. Attackers can exploit the unquoted binary path in C:\\Program Files\\Common Files\\ActivIdentity\\ to inject malicious executables and escalate privileges.","status":"published","published":"2026-01-21T18:16:16.92Z","modified":"2026-06-17T04:18:38.673Z","cvss":[{"version":"4.0","score":8.5,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-428"],"updated_at":"2026-11-02T14:07:09.005706Z"}]}}