CVE-2022-43572

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

Published Nov 4, 2022 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2022-46568 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.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Splunk
Published
Updated
May 1, 2025, 7:57 PM
Reserved
Oct 20, 2022, 6:41 PM
Status
Modified
Published
Nov 4, 2022, 11:15 PM
Modified
Jun 17, 2026, 5:06 AM