CVE-2022-37439: Splunk Vulnerability (CVSS 5.5) — Fix & Details
CVE-2022-37439
CVE-2022-37439 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. In Splunk Enterprise and Universal Forwarder versions, indexing a specially crafted ZIP file using the file monitoring input can result in a crash of the application. Attempts to restart the application would result in a crash and would require manually removing the malformed file. EPSS estimates a 0.19% chance of exploitation in the next 30 days.
Description
In Splunk Enterprise and Universal Forwarder versions, indexing a specially crafted ZIP file using the file monitoring input can result in a crash of the application. Attempts to restart the application would result in a crash and would require manually removing the malformed file.
Metrics
CVSS: 5.5/10
CVSS Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Probability: 0.19% (9.0th percentile)
Probability of exploitation in the next 30 days. Learn more
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Splunk | Splunk | >= 8.1.0, < 8.1.11 |
| Splunk | Splunk | >= 8.2.0, < 8.2.7.1 |
| Splunk | Universal Forwarder | >= 8.1.0, < 8.1.11 |
| Splunk | Universal Forwarder | >= 8.2.0, < 8.2.7.1 |
References
Timeline
Published: Aug 16, 2022
Last Modified: Jun 17, 2026
Status: Modified
Frequently Asked Questions
What is CVE-2022-37439?
In Splunk Enterprise and Universal Forwarder versions, indexing a specially crafted ZIP file using the file monitoring input can result in a crash of the application. Attempts to restart the application would result in a crash and would require manually removing the malformed file.
How severe is CVE-2022-37439?
CVE-2022-37439 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 0.19% probability of exploitation in the next 30 days.
How do I fix CVE-2022-37439?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.