CVE-2016-20061 Sheedantivirus CVE debrief

Who should care

Users of Sheed AntiVirus 2.3 should apply patches or mitigations to prevent local privilege escalation attacks. This includes administrators and security teams responsible for maintaining and securing systems with Sheed AntiVirus 2.3 installed.

Technical summary

The ShavProt service in Sheed AntiVirus 2.3 contains an unquoted service path vulnerability. Attackers can exploit this by placing a malicious executable in the unquoted path, which can be executed with LocalSystem privileges upon service restart or system reboot. The vulnerability is specific to Sheed AntiVirus 2.3 and requires local access to exploit. Affected product deployments should be confirmed in managed environments, and owners should be assigned for follow-up. The vulnerability allows local attackers to escalate privileges, and users of Sheed AntiVirus 2.3 should apply patches or mitigations to prevent local privilege escalation attacks.

Defensive priority

High priority due to potential for local privilege escalation.

Recommended defensive actions

• Apply patches or updates from the vendor if available.
• Use secure coding practices to prevent unquoted service paths in new software development.
• Implement monitoring to detect and respond to potential exploitation attempts.
• Restrict access to sensitive services and binaries to authorized users only.
• Regularly review and update software configurations to ensure secure deployment.
• Review compensating controls for exposed systems while remediation is scheduled and verified.
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.

Evidence notes

The CVE record was published on 2026-04-04T14:16:18.930Z and was last modified on 2026-07-21T07:10:00.117Z. The NVD entry is currently Deferred. The Sheed AntiVirus 2.3 setup executable and website were reviewed for additional context. However, due to limited source detail, the evidence is limited to CVE and NVD information.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.