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CVE-2021-47787

7.8 · HIGH

TotalAV 5.15.69 contains an unquoted service path vulnerability in multiple system services running with LocalSystem privileges.

Published Jan 16, 2026CWE-428EPSS 0.25%

Overview

CVE-2021-47787 is a high-severity vulnerability. It was published on January 16, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

TotalAV 5.15.69 contains an unquoted service path vulnerability in multiple system services running with LocalSystem privileges. Attackers can place malicious executables in specific unquoted path segments to potentially gain SYSTEM-level access by exploiting the service path configuration.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Frequently asked questions

What is CVE-2021-47787?

CVE-2021-47787 is a high-severity vulnerability. It was published on January 16, 2026 and has a CVSS 3.1 base score of 7.8 (HIGH).

How severe is CVE-2021-47787?

This vulnerability has a CVSS 3.1 base score of 7.8, rated HIGH. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2021-47787?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2021-47787?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2021-47787 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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