What’s Vulnerable › Vulnerabilities

CVE-2021-35049: Command Injection Vulnerability in Fidelis Network and Deception

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-06-25 · updated 2026-06-17
• Weakness: CWE-89

Description

Vulnerability in Fidelis Network and Deception CommandPost enables authenticated command injection through the web interface. The vulnerability could allow a specially crafted HTTP request to execute system commands on the CommandPost and return results in an HTTP response in an authenticated session. The vulnerability is present in Fidelis Network and Deception versions prior to 9.3.7 and in version 9.4. Patches and updates are available to address this vulnerability.

Affected products

• Fidelissecurity Deception: before 9.3.7; 9.4 — fixed in 9.3.7
• Fidelissecurity Network: before 9.3.7; 9.4 — fixed in 9.3.7

How to fix

Upgrade to a fixed version: Fidelissecurity Deception 9.3.7; Fidelissecurity Network 9.3.7. Check the vendor advisory for mitigations.

References

• https://support.fidelissecurity.com/hc/en-us/categories/360001842694-Advisories-News-and-Policies
• https://www.securifera.com/blog/2021/06/24/operation-eagle-eye/
• https://support.fidelissecurity.com/hc/en-us/categories/360001842694-Advisories-News-and-Policies
• https://www.securifera.com/blog/2021/06/24/operation-eagle-eye/

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