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Status published
High
CVE-2022-43572
Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
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Affected Vendor
Splunk
View all reports →Affected Software
Splunk Enterprise
Vulnerable Versions:
8.1, 8.2, 9.0
Timeline
Official Publish:
November 4th, 2022
Last Modified:
May 1st, 2025
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H