# CVE-2020-10221: rConfig OS Command Injection Vulnerability

Source: https://junglewise.ai/threats/cve-2020-10221-rconfig-os-command-injection-vulnerability  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2021-11-03. Updated: 2026-05-10  
License: CC BY 4.0 with a link back

CVE-2020-10221 · Severity: critical · CVSS 8.8 · Exploited in the wild · Published 2021-11-03

rConfig through version 3.9.4 contains an OS command injection vulnerability in lib/ajaxHandlers/ajaxAddTemplate.php. Remote authenticated attackers can execute arbitrary OS commands via shell metacharacters in the fileName POST parameter.

Vendors: [Rconfig](https://junglewise.ai/threats/vendors/rconfig).

## Quick answers

**Is CVE-2020-10221 exploited in the wild?** Yes. CVE-2020-10221 is known to be exploited in the wild, first recorded on 3 November 2021. Treat it as urgent.

**How severe is CVE-2020-10221?** Critical severity, with a CVSS score of 8.8, published 3 November 2021.

**Which products and versions are affected?** rConfig rConfig up to and including 3.9.4.

**Is there a fix for CVE-2020-10221?** 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.

**How is CVE-2020-10221 attacked?** It is attacked over the network, in a network appliance.

**Am I affected by CVE-2020-10221?** Check whether you run Rconfig. 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

- rConfig rConfig up to and including 3.9.4

## Timeline

- 2020-03-08: disclosed: NVD Published Date
- 2021-11-03: kev added: Date added to CISA Known Exploited Vulnerabilities Catalog

## Related threats

- [rConfig path traversal in file download](https://junglewise.ai/threats/cve-2026-64826-rconfig-path-traversal-in-file-download)