CVE-2022-43572: high-severity vulnerability in Splunk Enterprise
Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 1.0%
In Splunk Enterprise versions below 8.2.9, 8.1.12, and 9.0.2, sending a malformed file through the Splunk-to-Splunk (S2S) or HTTP Event Collector (HEC) protocols to an indexer results in a blockage or denial-of-service preventing further indexing.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Affected products
Splunk · Splunk EnterpriseRelated CVEs — Splunk Enterprise
In the same product, most dangerous first.
CVE-2026-20253CRITICALUnauthenticated Arbitrary File Creation and Truncation in a PostgreSQL Sidecar Service Endpoint in Splunk EnterpriseEPSS 96.9%KEVCVE-2023-46214HIGHRemote code execution (RCE) in Splunk Enterprise through Insecure XML ParsingEPSS 89.2%CVE-2023-32707HIGH‘edit_user’ Capability Privilege EscalationEPSS 78.7%CVE-2022-43568HIGHReflected Cross-Site Scripting via the radio template in Splunk EnterpriseEPSS 42.8%CVE-2025-20297MEDIUMReflected Cross-Site Scripting (XSS) on Splunk Enterprise through dashboard PDF generation componentEPSS 31.2%CVE-2026-20251HIGHRemote Code Execution through Deserialization of Untrusted Data in Splunk Secure GatewayEPSS 30.6%