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Vulnerability record · CVE-2022-37437 · published 16 August 2022

CVE-2022-37437: Splunk improper certificate validation vulnerability

Splunk · Splunk

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.

9.8 CVSS 3.1 Critical EPSS 0.44% · top 64.6% CWE-295 · Improper certificate validation
9.8CVSS 3.1 base score
0.44%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0801.html MitigationVendor Advisory
https://www.splunk.com/en_us/product-security/announcements/svd-2022-0801.html MitigationVendor Advisory

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Source: NIST National Vulnerability Database (record CVE-2022-37437), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.