What’s Vulnerable › Vulnerabilities

CVE-2023-28142: Race Condition

• Severity: high (CVSS 7.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-04-18 · updated 2026-06-17
• Weakness: CWE-362

Description

A Race Condition exists in the Qualys Cloud Agent for Windows platform in versions from 3.1.3.34 and before 4.5.3.1. This allows attackers to escalate privileges limited on the local machine during uninstallation of the Qualys Cloud Agent for Windows. Attackers may gain SYSTEM level privileges on that asset to run arbitrary commands. At the time of this disclosure, versions before 4.0 are classified as End of Life.

Affected products

• Qualys Cloud Agent: from 3.1.3.34 before 4.5.3.1 — fixed in 4.5.3.1

How to fix

Upgrade to a fixed version: Qualys Cloud Agent 4.5.3.1. Check the vendor advisory for mitigations.

References

• https://www.qualys.com/security-advisories/
• https://www.qualys.com/security-advisories/

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