CVE-2022-43572 HIGH

CVE-2022-43572: Indexing blockage via malformed data sent through S2S or HEC protocols in Splunk Enterprise

Vendor Splunk
Product Splunk Enterprise
Weakness CWE-400
Published November 4, 2022
Last update May 1, 2025
View on NVD All CVEs

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

November 4, 2022 CVE published
May 1, 2025 Record updated