# CVE-2021-33564: Dragonfly contains remote code execution vulnerability

Source: https://junglewise.ai/threats/cve-2021-33564-dragonfly-contains-remote-code-execution-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-06-02  
License: CC BY 4.0 with a link back

CVE-2021-33564 · Severity: low · CVSS 3.1 · Published 2021-06-02

Dragonfly contains remote code execution vulnerability

Technologies: [dragonfly (RubyGems)](https://junglewise.ai/threats/technologies/rubygems-dragonfly). Vendors: [RubyGems](https://junglewise.ai/threats/vendors/rubygems).

## Quick answers

**Is CVE-2021-33564 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2021-33564 being exploited in the wild.

**How severe is CVE-2021-33564?** Low severity, with a CVSS score of 3.1, published 2 June 2021.

**Which products and versions are affected?** dragonfly (RubyGems) ECOSYSTEM:introduced=0,fixed=1.4.0.

**Is there a fix for CVE-2021-33564?** Yes. dragonfly (RubyGems): upgrade to 1.4.0 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2021-33564?** Check whether you run dragonfly (RubyGems) 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

- dragonfly (RubyGems): upgrade to 1.4.0 or later

  ```sh
  bundle update dragonfly
  ```


## Affected products

- dragonfly (RubyGems) ECOSYSTEM:introduced=0,fixed=1.4.0

## Identifiers

- CVE-2021-33564
- GHSA-j858-xp5v-f8xx

## Related threats

- [Arbitrary file write in dragonfly](https://junglewise.ai/threats/cve-2021-33473-arbitrary-file-write-in-dragonfly)
- [Dragonfly Code Injection vulnerability](https://junglewise.ai/threats/cve-2013-1756-dragonfly-code-injection-vulnerability)
- [Code injection in dragonfly gem](https://junglewise.ai/threats/cve-2013-5671-code-injection-in-dragonfly-gem)