Unquoted Service Path Vulnerability in ActivIdentity 8.2 by HID Global
CVE-2021-47859

8.5HIGH

Key Information:

Vendor

Hid Global

Status
Actividentity
Vendor
CVE Published:
21 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47859?

ActivIdentity 8.2 contains a vulnerability in the 'ac.sharedstore' service due to an unquoted service path. This oversight allows local attackers to potentially execute arbitrary code by injecting malicious executables into the unquoted binary path located in C:\Program Files\Common Files\ActivIdentity. By exploiting this vulnerability, attackers can escalate their privileges and gain unauthorized access to sensitive information or system controls.

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Affected Version(s)

ActivIdentity 8.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2021-47859 - Proof of Concept

References

https://www.exploit-db.com/exploits/49703
exploit
https://www.hidglobal.com/
product
https://www.vulncheck.com/advisories/actividentity-acshar...
third-party-advisory

CVSS V4

Score:
8.5
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

SamAlucard
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