# CVE-2022-39242: Weight not properly refunded after EVM execution

Source: https://junglewise.ai/threats/cve-2022-39242-weight-not-properly-refunded-after-evm-execution  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-09-23  
License: CC BY 4.0 with a link back

CVE-2022-39242 · Severity: low · CVSS 3.1 · Published 2022-09-23

Weight not properly refunded after EVM execution

Technologies: [pallet-ethereum (crates.io)](https://junglewise.ai/threats/technologies/pallet-ethereum). Vendors: [crates.io](https://junglewise.ai/threats/vendors/crates-io).

## Quick answers

**Is CVE-2022-39242 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2022-39242 being exploited in the wild.

**How severe is CVE-2022-39242?** Low severity, with a CVSS score of 3.1, published 23 September 2022.

**Which products and versions are affected?** pallet-ethereum (crates.io) SEMVER:introduced=0,last_affected=3.0.0.

**Is there a fix for CVE-2022-39242?** No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

**Am I affected by CVE-2022-39242?** Check whether you run pallet-ethereum (crates.io) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## Affected products

- pallet-ethereum (crates.io) SEMVER:introduced=0,last_affected=3.0.0

## Identifiers

- CVE-2022-39242
- GHSA-v57h-6hmh-g2p4

## Related threats

- [Validity check missing in Frontier](https://junglewise.ai/threats/cve-2021-41138-validity-check-missing-in-frontier)
- [Transaction validity oversight in pallet-ethereum](https://junglewise.ai/threats/cve-2021-39193-transaction-validity-oversight-in-pallet-ethereum)