What is CVE-2023-29453?

CVE-2023-29453 is a critical-severity vulnerability in Zabbix, classified under Code Injection. CVSS score: 9.8/10. Published 2023-10-12.

How severe is CVE-2023-29453?

Critical severity. CVSS v3 base score is 9.8 out of 10.

RCE in Zabbix

CVE-2023-29453

Templates do not properly consider backticks (`) as Javascript string delimiters, and do not escape them as expected. Backticks are used, since ES6, for JS template literals. If a template contains a Go template action within a Javascript…

Vulnerability class: RCE (Remote Code Execution)

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Zabbix — versions 5.0.0, 6.0.0, 6.4.0
Zabbix Zabbix-agent2

Weakness classification (CWE)

CWE-94 — Code Injection

References

security@zabbix.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-29453?: CVE-2023-29453 is a critical-severity vulnerability in Zabbix, classified under Code Injection. CVSS score: 9.8/10. Published 2023-10-12.
How severe is CVE-2023-29453?: Critical severity. CVSS v3 base score is 9.8 out of 10.