CVE-2021-47859
ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path
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.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
8.5
ActivIdentity 8.2 - 'ac.sharedstore' Unquoted Service Path
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.
- Record
CVE-2021-47859- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-428
- Updated
- 2026-11-02
EUVDEUVD-2026-3633
8.5
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.
- Record
EUVD-2026-3633- CVSS 4.0
- 8.5 High
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-ccm5-r6jv-m624
8.5
ActivIdentity 8.2 contains an unquoted service path vulnerability in the ac.sharedstore service...
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.
- Record
GHSA-ccm5-r6jv-m624- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-428
- Updated
- 2026-11-02
NVD
8.5
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.
- Record
CVE-2021-47859- CVSS 4.0
- 8.5 High
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 - CVSS 3.1
- 7.8 High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-428
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-47859 is a high vulnerability (CVSS 8.5) in Hid Global Actividentity, published January 21, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.15%, the 4th percentile. No source names a fixed version.