How severe is CVE-2021-46088?

CVE-2021-46088 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-46088 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-46088?

CVE-2021-46088 affects Zabbix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-46088?

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.

When was CVE-2021-46088 published?

CVE-2021-46088 was published on 2022-01-27 and last updated on 2026-06-17.

CVE-2021-46088

CVE-2021-46088 is a high-severity vulnerability in Zabbix with a CVSS 3.x base score of 7.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.2)
CVSS v2: 6.5
EPSS exploit prediction: 4% (89th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Zabbix
Published: 2022-01-27
Last modified: 2026-06-17

Description

Zabbix 4.0 LTS, 4.2, 4.4, and 5.0 LTS is vulnerable to Remote Code Execution (RCE). Any user with the "Zabbix Admin" role is able to run custom shell script on the application server in the context of the application user.

Frequently asked questions

What is CVE-2021-46088?: Zabbix 4.0 LTS, 4.2, 4.4, and 5.0 LTS is vulnerable to Remote Code Execution (RCE). Any user with the "Zabbix Admin" role is able to run custom shell script on the application server in the context of the application user.
How severe is CVE-2021-46088?: CVE-2021-46088 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-46088 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 4% (89th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-46088?: CVE-2021-46088 affects Zabbix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-46088?: 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.
When was CVE-2021-46088 published?: CVE-2021-46088 was published on 2022-01-27 and last updated on 2026-06-17.

References

https://github.com/paalbra/zabbix-zbxsec-7

Affected products (1)

cpe:2.3:a:zabbix:zabbix:*:*:*:*:*:*:*:*

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