How severe is CVE-2025-0543?

CVE-2025-0543 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-0543 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-0543?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

Does CVE-2025-0543 have an EU (EUVD) identifier?

Yes. CVE-2025-0543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1751.

When was CVE-2025-0543 published?

CVE-2025-0543 was published on 2025-01-25 and last updated on 2026-06-17.

CVE-2025-0543

CVE-2025-0543 is a high-severity vulnerability with a CVSS 3.x base score of 7.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-276.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v4: 8.5
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-1751
Weakness: CWE-276
Published: 2025-01-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-0543?: 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.
How severe is CVE-2025-0543?: CVE-2025-0543 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-0543 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-0543?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
Does CVE-2025-0543 have an EU (EUVD) identifier?: Yes. CVE-2025-0543 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-1751.
When was CVE-2025-0543 published?: CVE-2025-0543 was published on 2025-01-25 and last updated on 2026-06-17.

References

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

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