CVE-2022-37437: splunk Improper Certificate Validation
Vulnerability summary
CVE-2022-37437 is a critical (CVSS 9.8) Improper Certificate Validation vulnerability in splunk. EPSS estimates a 0.45% chance of exploitation in the next 30 days, higher than 37.3% of scored vulnerabilities.
Timeline
- 16-08-2022PublishedVulnerability first disclosed.
- 16-09-2024Last modifiedVulnerability information updated.
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 metrics
2 scores · 2 sources · 1 version- CVE.orgCNA7.4HighCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:NDiffers
EPSS trend
Probability
0.45%
Chance of exploitation in the next 30 days
Percentile
37%
Versus all other CVEs
30-day change
+0.01 pp
From 0.44% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Splunk2 products
- splunkEOL9.0.0
- splunk enterprise9.0.0
1 vendor · 2 products
References
1 links- www.splunk.com/en_us/product-security/announcements/svd-2022-0801.htmlX Refsource CONFIRMMitigationVendor Advisory