# CVE-2024-37159: Evmos is missing create validator check

> Attackers can create validators using vested tokens, bypassing intended staking restrictions in the Evmos blockchain network.

- **Severity:** Low 3.5 (`CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L`)
- **Exploited in the wild:** Not known
- **Login needed:** Any signed-in user
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** Yes
- **Published:** 17 Jun 2024
- **Updated:** 2 Aug 2024

## What is CVE-2024-37159?

CVE-2024-37159 is a low-severity vulnerability in evmos, published on 17 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

### Official description

Evmos is the Ethereum Virtual Machine (EVM) Hub on the Cosmos Network. This vulnerability allowed a user to create a validator using vested tokens to deposit the self-bond. This vulnerability is fixed in 18.0.0.

Weakness: CWE-285 (Improper Authorization)

## Which versions are affected by CVE-2024-37159?

It affects 1 product.


Products: Evmos Evmos.

## How do I fix CVE-2024-37159?

Upgrade to a fixed version.

## Is CVE-2024-37159 being exploited?

There is no known exploitation of CVE-2024-37159 in the wild and no public exploit code.

## Other vulnerabilities in evmos

- [CVE-2024-32644](https://insights.sbomify.com/CVE-2024-32644/): Evmos' transaction execution not accounting for all state transition after interaction with precompiles (critical 9.1)
- [CVE-2024-39696](https://insights.sbomify.com/CVE-2024-39696/): Evmos vulnerable to exploit of smart contract account and vesting (high 8.8)
- [CVE-2022-24738](https://insights.sbomify.com/CVE-2022-24738/): Account compromise in Evmos (high 8.1)
- [CVE-2024-37153](https://insights.sbomify.com/CVE-2024-37153/): Evmos's contract balance not updating correctly after interchain transaction (high 7.5)
- [CVE-2024-37154](https://insights.sbomify.com/CVE-2024-37154/): Evmos allows unvested token delegations (medium 5.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2024-37159 and fix it if it is affected.

What it is: CVE-2024-37159 is a low-severity vulnerability in evmos, published on 17 Jun 2024. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2024-37159 in the wild and no public exploit code.

Affected product: evmos. 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-2024-37159/ (Markdown: https://insights.sbomify.com/CVE-2024-37159/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2024-37159
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2024-37159
- OSV: https://osv.dev/vulnerability/CVE-2024-37159

---
From sbomify Insights: https://insights.sbomify.com/CVE-2024-37159/
Summaries are generated and may contain mistakes; the official description above is the record.