CVE-2022-37437 Ingest Actions UI in Splunk Enterprise 9.0.0 disabled TLS certificate validation
Attackers can bypass TLS certificate validation in Splunk Web when configuring S3 destinations, potentially enabling man-in-the-middle attacks.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-37437?
CVE-2022-37437 is a high-severity vulnerability in Splunk Splunk, published on 16 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When using Ingest Actions to configure a destination that resides on Amazon Simple Storage Service (S3) in Splunk Web, TLS certificate validation is not correctly performed and tested for the destination. The vulnerability only affects connections between Splunk Enterprise and an Ingest Actions Destination through Splunk Web and only applies to environments that have configured TLS certificate validation. It does not apply to Destinations configured directly in the outputs.conf configuration file. The vulnerability affects Splunk Enterprise version 9.0.0 and does not affect versions below 9.0.0, including the 8.1.x and 8.2.x versions.
Weakness: CWE-295
Which versions are affected by CVE-2022-37437?
It affects 1 product.
Products include Splunk Splunk.
How do I fix CVE-2022-37437?
No fix has been published for CVE-2022-37437 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-37437 being exploited?
There is no known exploitation of CVE-2022-37437 in the wild and no public exploit code.
Other vulnerabilities in Splunk Splunk
- CVE-2026-20253 Splunk Enterprise Missing Authentication for Critical Function
- CVE-2026-76268 Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise
- CVE-2026-76284 Improper Neutralization in Splunk Enterprise
- CVE-2026-76285 Improper Adherence to Coding Standards in Splunk Enterprise
- CVE-2017-17067 Auth bypass in n/a
Sources
Also known as GHSA-78pp-wpm2-456q.