# CVE-2022-37437: Ingest Actions UI in Splunk Enterprise 9.0.0 disabled TLS certificate validation

> Attackers can bypass TLS certificate validation in Splunk Web when configuring S3 destinations, potentially enabling man-in-the-middle attacks.

- **Severity:** High 7.4 (`CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N`)
- **Exploited in the wild:** Not known
- **Login needed:** Not needed
- **Attackable:** Over the internet
- **Victim action needed:** Not needed
- **Fix available:** No
- **Published:** 16 Aug 2022
- **Updated:** 16 Sep 2024
- **Also known as:** GHSA-78pp-wpm2-456q

## What is CVE-2022-37437?

CVE-2022-37437 is a high-severity vulnerability in Splunk Splunk, published on 16 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

### Official description

When using Ingest Actions to configure a destination that resides on Amazon Simple Storage Service (S3) in Splunk Web, TLS certificate validation is not correctly performed and tested for the destination. The vulnerability only affects connections between Splunk Enterprise and an Ingest Actions Destination through Splunk Web and only applies to environments that have configured TLS certificate validation. It does not apply to Destinations configured directly in the outputs.conf configuration file. The vulnerability affects Splunk Enterprise version 9.0.0 and does not affect versions below 9.0.0, including the 8.1.x and 8.2.x versions.

Weakness: CWE-295 (Improper Certificate Validation)

## Which versions are affected by CVE-2022-37437?

It affects 1 product.


Products: Splunk Splunk.

## How do I fix CVE-2022-37437?

No fix has been published for CVE-2022-37437 yet. Limit exposure of the affected software until one is available.

## Is CVE-2022-37437 being exploited?

There is no known exploitation of CVE-2022-37437 in the wild and no public exploit code.

## Other vulnerabilities in Splunk Splunk

- [CVE-2026-20253](https://insights.sbomify.com/CVE-2026-20253/): Splunk Enterprise Missing Authentication for Critical Function (critical 9.8, exploited in the wild)
- [CVE-2026-76268](https://insights.sbomify.com/CVE-2026-76268/): Missing Authentication for Critical Function in the Patroni REST API in Splunk Enterprise (critical 9.8)
- [CVE-2026-76284](https://insights.sbomify.com/CVE-2026-76284/): Improper Neutralization in Splunk Enterprise (critical 9.8)
- [CVE-2026-76285](https://insights.sbomify.com/CVE-2026-76285/): Improper Adherence to Coding Standards in Splunk Enterprise (critical 9.8)
- [CVE-2017-17067](https://insights.sbomify.com/CVE-2017-17067/): Auth bypass in n/a (critical 9.8)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2022-37437 and fix it if it is affected.

What it is: CVE-2022-37437 is a high-severity vulnerability in Splunk Splunk, published on 16 Aug 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2022-37437 in the wild and no public exploit code.

Affected product: Splunk Splunk. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2022-37437/ (Markdown: https://insights.sbomify.com/CVE-2022-37437/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2022-37437
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2022-37437
- OSV: https://osv.dev/vulnerability/CVE-2022-37437

---
From sbomify Insights: https://insights.sbomify.com/CVE-2022-37437/
Summaries are generated and may contain mistakes; the official description above is the record.