How severe is CVE-2025-27233?

CVE-2025-27233 has a CVSS 4.0 base score of 5.7, rated medium severity.

Is CVE-2025-27233 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2025-27233?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-27233 have an EU (EUVD) identifier?

Yes. CVE-2025-27233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29035.

When was CVE-2025-27233 published?

CVE-2025-27233 was published on 2025-09-12 and last updated on 2026-06-17.

CVE-2025-27233

CVE-2025-27233 is a medium-severity vulnerability with a CVSS 4.0 base score of 5.7. 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-77.

Key facts

Severity: Medium (CVSS 4.0 base score 5.7)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-29035
Weakness: CWE-77
Published: 2025-09-12
Last modified: 2026-06-17

Description

Zabbix Agent 2 smartctl plugin does not properly sanitize smart.disk.get parameters, allowing an attacker to inject unexpected arguments into the smartctl command. This can be used to leak the NTLMv2 hash from a Windows system.

Frequently asked questions

What is CVE-2025-27233?: Zabbix Agent 2 smartctl plugin does not properly sanitize smart.disk.get parameters, allowing an attacker to inject unexpected arguments into the smartctl command. This can be used to leak the NTLMv2 hash from a Windows system.
How severe is CVE-2025-27233?: CVE-2025-27233 has a CVSS 4.0 base score of 5.7, rated medium severity.
Is CVE-2025-27233 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2025-27233?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-27233 have an EU (EUVD) identifier?: Yes. CVE-2025-27233 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-29035.
When was CVE-2025-27233 published?: CVE-2025-27233 was published on 2025-09-12 and last updated on 2026-06-17.

References

https://support.zabbix.com/browse/ZBX-26987

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