# CVE-2020-36204: RUSTSEC-2020-0096 - TreeFocus lacks bounds on its Send and Sync traits

Source: https://junglewise.ai/threats/cve-2020-36204-data-races-in-im  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2020-11-09  
License: CC BY 4.0 with a link back

CVE-2020-36204 · Severity: low · CVSS 3.1 · Published 2020-11-09

TreeFocus lacks bounds on its Send and Sync traits

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

## Quick answers

**Is CVE-2020-36204 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2020-36204 being exploited in the wild.

**How severe is CVE-2020-36204?** Low severity, with a CVSS score of 3.1, published 9 November 2020.

**Which products and versions are affected?** im (crates.io) SEMVER:introduced=12.0.0,fixed=15.1.0.

**Is there a fix for CVE-2020-36204?** Yes. im (crates.io): upgrade to 15.1.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2020-36204?** Check whether you run im (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

- im (crates.io): upgrade to 15.1.0 or later

  ```sh
  cargo update -p im
  ```


## Affected products

- im (crates.io) SEMVER:introduced=12.0.0,fixed=15.1.0

## Identifiers

- CVE-2020-36204
- GHSA-q9h2-4xhf-23xx
- RUSTSEC-2020-0096

## Related threats

- [RUSTSEC-2026-0248 - im is unmaintained](https://junglewise.ai/threats/rustsec-2026-0248-im-is-unmaintained-930d8da3)
- [RUSTSEC-2023-0126 - Aliasing violation in `OrdSet` insertion](https://junglewise.ai/threats/rustsec-2023-0126-aliasing-violation-in-ordset-insertion-515b8a82)