CVE-2022-43562

Name: CVE-2022-43562
Creator: NVD / NIST
Published: 2022-11-04T23:15:09.81+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.41%

Last modified Jun 17, 2026

CVE-2022-43562 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, Splunk Enterprise fails to properly validate and escape the Host header, which could let a remote authenticated user conduct various attacks against the system, including cross-site scripting and cache poisoning. . EPSS estimates a 0.41% chance of exploitation in the next 30 days.

Description

In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, Splunk Enterprise fails to properly validate and escape the Host header, which could let a remote authenticated user conduct various attacks against the system, including cross-site scripting and cache poisoning.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.41%

32.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Splunk	Splunk	>= 8.1.0, < 8.1.12
Splunk	Splunk	>= 8.2.0, < 8.2.9
Splunk	Splunk	>= 9.0.0, < 9.0.2
Splunk	Splunk Cloud Platform	< 9.0.2208

References

https://www.splunk.com/en_us/product-security/announcements/svd-2022-1102.htmlVendor Advisory
https://www.splunk.com/en_us/product-security/announcements/svd-2022-1102.htmlVendor Advisory

Timeline

Published: Nov 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2022-43562?

How severe is CVE-2022-43562?

CVE-2022-43562 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.41% probability of exploitation in the next 30 days.

How do I fix CVE-2022-43562?

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-2022-43562?

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

Scan your code now

Source: NVD / NIST