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CVE-2025-27233

Zabbix Agent 2 smartctl plugin argument injection in Zabbix 6.0 and later.

Medium5.7EPSS 0.17%
Published
Updated
Reserved
Assigned by
Zabbix

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.

Scores

CVSS scores of CVE-2025-27233, by who scored it
Scored byCVSSScoreVector
ZabbixCNA (assigner)4.0Medium5.7CVSS:4.0/AV:A/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
NVDNVD · Deferred4.0Medium5.7CVSS:4.0/AV:A/AC:H/AT:P/PR:H/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
EPSS (exploitation in 30 days)
0.17% · top 94% of all CVEs (6 Nov 2026)
CISA SSVC
Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…

The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.7.

Weakness

Affected products

  • Zabbix · Zabbix

    • affected 6.0.0 – ≤ 6.0.39
    • affected 7.0.0 – ≤ 7.0.10
    • affected 7.2.0 – ≤ 7.2.4

What to do

Solution: Update the affected components to their respective fixed versions.

Workaround: Remove smartctl or use strict item key parameter validation with AllowKey/DenyKey.

References (1)

Sources

The same CVE in the primary databases and aggregators, to check against.

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Record last updated .