CVE-2022-43572

Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise

State: Published
Severity: 7.5 High
Published: Nov 4, 2022
Updated: May 1, 2025
Reserved: Oct 20, 2022

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.

Scores

CVSS	Score	Vector	Source
3.1	7.5 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H	Splunk

Weaknesses

CWE-400

Affected Products

Product	Versions
Splunk EnterpriseSplunk	8.1 to before 8.1.12Affected 8.2 to before 8.2.9Affected 9.0 to before 9.0.2Affected

References

https://www.splunk.com/en_us/product-security/announcements/svd-2022-1111.html

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