# CVE-2020-6638: Grin Insufficient Validation

Source: https://junglewise.ai/threats/cve-2020-6638-grin-insufficient-validation  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-24  
License: CC BY 4.0 with a link back

CVE-2020-6638 · Severity: low · CVSS 3.1 · Published 2022-05-24

Grin Insufficient Validation

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

## Quick answers

**Is CVE-2020-6638 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-6638 being exploited in the wild.

**How severe is CVE-2020-6638?** Low severity, with a CVSS score of 3.1, published 24 May 2022.

**Which products and versions are affected?** grin (crates.io) SEMVER:introduced=0,fixed=3.0.0.

**Is there a fix for CVE-2020-6638?** Yes. grin (crates.io): upgrade to 3.0.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-6638?** Check whether you run grin (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.

## How to fix

- grin (crates.io): upgrade to 3.0.0 or later

  ```sh
  cargo update -p grin
  ```


## Affected products

- grin (crates.io) SEMVER:introduced=0,fixed=3.0.0

## Identifiers

- CVE-2020-6638
- GHSA-7w6p-rwhg-7h3g

## Related threats

- [Grin insufficient data validation](https://junglewise.ai/threats/cve-2020-15899-grin-insufficient-data-validation)
- [Grin allows attackers to adversely affect availability of data on a Mimblewimble blockchain](https://junglewise.ai/threats/cve-2020-12439-grin-allows-attackers-to-adversely-affect-availability-of-data-on)