Denial of Service in Splunk Enterprise through search macros

Advisory ID: SVD-2022-1104

CVE ID: CVE-2022-43564

Published: 2022-11-02

Last Update: 2022-11-02

CVSSv3.1 Score: 4.9, Medium, Medium

CWE: CWE-400

Bug ID: SPL-220964


In Splunk Enterprise versions below 8.1.12, 8.2.9, and 9.0.2, a remote user who can create search macros and schedule search reports can cause a denial of service through the use of specially crafted search macros.


For Splunk Enterprise, upgrade versions to 8.1.12, 8.2.9, or higher.

For Splunk Cloud Platform, Splunk is actively patching and monitoring the Splunk Cloud instances.

Product Status

ProductVersionComponentAffected VersionFix Version
Splunk Enterprise8.1REST API8.1.11 and lower8.1.12
Splunk Enterprise8.2REST API8.2.0 to
Splunk Enterprise9.0Not affected
Splunk Cloud PlatformREST API9.0.2203.4 and lower9.0.2205

Mitigations and Workarounds

You can use a proxy to filter out requests to the ‘/services/search/parser’ REST endpoint that include the option ‘ignore_parse_error=t’. You can either block these requests entirely or pass them through with that option removed. Other requests to the same endpoint do not cause the denial of service.




Splunk rates the vulnerability as Medium, 4.9, with a CVSS Vectors of CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H