How severe is CVE-2023-29450?

CVE-2023-29450 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2023-29450 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-29450?

CVE-2023-29450 affects Zabbix. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-29450?

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-2023-29450 published?

CVE-2023-29450 was published on 2023-07-13 and last updated on 2026-06-17.

CVE-2023-29450

CVE-2023-29450 is a high-severity vulnerability in Zabbix with a CVSS 3.x base score of 8.5. 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-552.

Key facts

Severity: High (CVSS 3.x base score 8.5)
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-552
Affected product: Zabbix
Published: 2023-07-13
Last modified: 2026-06-17

Description

JavaScript pre-processing can be used by the attacker to gain access to the file system (read-only access on behalf of user "zabbix") on the Zabbix Server or Zabbix Proxy, potentially leading to unauthorized access to sensitive data.

Frequently asked questions

What is CVE-2023-29450?: JavaScript pre-processing can be used by the attacker to gain access to the file system (read-only access on behalf of user "zabbix") on the Zabbix Server or Zabbix Proxy, potentially leading to unauthorized access to sensitive data.
How severe is CVE-2023-29450?: CVE-2023-29450 has a CVSS 3.x base score of 8.5, rated high severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-29450 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-29450?: CVE-2023-29450 affects Zabbix. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-29450?: 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-2023-29450 published?: CVE-2023-29450 was published on 2023-07-13 and last updated on 2026-06-17.

References

Affected products (1)

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

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