Unquoted Service Path Vulnerability in TotalAV by PCSafety
CVE-2021-47787

8.5HIGH

Key Information:

Vendor

Totalav

Status
Totalav
Vendor
CVE Published:
15 January 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2021-47787?

The TotalAV version 5.15.69 is affected by an unquoted service path vulnerability, which allows an attacker to exploit service path configuration due to improperly specified service paths. This can potentially lead to the execution of malicious executables with SYSTEM-level privileges, putting the affected system at significant risk. By placing a malicious executable in a specific unquoted path segment, an attacker could gain unauthorized access and control over the system's resources.

Affected Version(s)

TotalAV 5.15.69

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-2021-47787 - Proof of Concept

References

https://www.exploit-db.com/exploits/50314
exploit
https://www.totalav.com
product
https://www.vulncheck.com/advisories/totalav-unquoted-ser...
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

Andrea Intilangelo
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