TI-2025-00453 Aliases CVE-2025-0543 GHSA-r42j-f6wp-qrqg

G DATA Security Client Local privilege escalation

LOW 38CWE-276Published 2025-01-25 · Updated 2025-02-05

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Attack requirements: None
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA.

Summary

Local privilege escalation in G DATA Security Client due to incorrect assignment of privileges to directories. This vulnerability allows a local, unprivileged attacker to escalate privileges on affected installations by placing an arbitrary executable in a globally writable directory resulting in execution by the SetupSVC.exe service in the context of SYSTEM.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00148 3rd percentileScored 2026-11-07

Fix Fixed G DATA Security Client (G DATA CyberDefense AG): 15.8.333

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

Vendor	Product	Affected versions	Fixed in	Status	Source
G DATA CyberDefense AG	G DATA Security Client	before 15.8.333	15.8.333	Patch available	CNA

G DATA Security Client VendorG DATA CyberDefense AG Affected before 15.8.333 Fixed in 15.8.333 Patch available CNA

Remediation

Fix · CNA G DATA Security Client (G DATA CyberDefense AG) Fixed in 15.8.333

Timeline

2026-10-02 Threatist record created from CVE-2025-0543
2026-10-03 Alias added: GHSA-r42j-f6wp-qrqg

References

Other 1

https://github.com/nullby73/security-advisories/tree/main/CVE-2025-0543

TI-2025-00452 G DATA Management Server Local privilege escalation CVSS 4.0HIGH 7.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences