CVE-2024-42330

Name: CVE-2024-42330
Creator: NVD / NIST
Published: 2024-11-27T12:15:21.007+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 9.1/10EPSS 0.95%

Last modified Jun 17, 2026

CVE-2024-42330 is a critical-severity vulnerability rated 9.1/10 on the CVSS scale. The HttpRequest object allows to get the HTTP headers from the server's response after sending the request. The problem is that the returned strings are created directly from the data returned by the server and are not correctly encoded for JavaScript. EPSS estimates a 0.95% chance of exploitation in the next 30 days.

Description

The HttpRequest object allows to get the HTTP headers from the server's response after sending the request. The problem is that the returned strings are created directly from the data returned by the server and are not correctly encoded for JavaScript. This allows to create internal strings that can be used to access hidden properties of objects.

Metrics

CVSS 3.1

9.1/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

0.95%

56.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-134

Affected Software

Vendor	Product	Versions
Zabbix	Zabbix	>= 5.0.0, < 5.4.6
Zabbix	Zabbix	>= 6.0.0, < 6.0.34
Zabbix	Zabbix	>= 6.4.0, < 6.4.19
Zabbix	Zabbix	>= 7.0.0, < 7.0.4

References

Timeline

Published: Nov 27, 2024
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2024-42330?

How severe is CVE-2024-42330?

CVE-2024-42330 has a CVSS score of 9.1/10 (CRITICAL severity). The EPSS model estimates a 0.95% probability of exploitation in the next 30 days.

How do I fix CVE-2024-42330?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2024-42330?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST