Race condition in Qualys Cloud Agent
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- High
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Cloud Agent (Qualys) Fixed in 4.5.3.1
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Qualys Cloud Agent 4.5.3.1
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2023-12713 Executable HijackingPriority LOW 32
Timeline
- 2026-10-02 Threatist record created from CVE-2023-28142
- 2026-10-03 Alias added: GHSA-7m47-393h-xm3q
References
More Qualys Cloud Agent vulnerabilities
- TI-2023-12716 Local privilege escalation in Qualys Cloud Agent CVSS 3.1HIGH 7.0
- TI-2023-12713 Executable Hijacking CVSS 3.1HIGH 7.0
- TI-2023-12714 NTFS Junction CVSS 3.1MEDIUM 6.7
- TI-2022-12004 An issue was discovered in Qualys Cloud Agent 4.8.0-49. CVSS 3.1MEDIUM 5.5
Sources
- CVE-2023-28142 · CVE Program
- CVE-2023-28142 · NVD
- FIRST EPSS
- GHSA-7m47-393h-xm3q · GitHub Advisory Database · CC BY 4.0
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