Skip to main content

Remote command execution


The system builds OS commands using inputs that can be manipulated externally, it does not correctly neutralize special elements that could modify the OS command.


Execute unauthorized code or commands.


  • If at all possible, use standard library calls rather than external processes to recreate the desired functionality.
  • Keep as much data as possible used to generate command outside of external control.
  • Properly escape the arguments used to generate the command and avoid special characters.


Authenticated attacker from the Internet.

Expected Remediation Time

⌚ 30 minutes.


Default score using CVSS 3.1. It may change depending on the context of the src.


  • Attack vector: N
  • Attack complexity: L
  • Privileges required: N
  • User interaction: N
  • Scope: C
  • Confidentiality: H
  • Integrity: H
  • Availability: H


  • Exploit code maturity: X
  • Remediation level: X
  • Report confidence: X


  • Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:X/RL:X/RC:X
  • Score:
    • Base: 10.0
    • Temporal: 10.0
  • Severity:
    • Base: Critical
    • Temporal: Critical

Score 4.0

Default score using CVSS 4.0 . It may change depending on the context of the src.

Base 4.0

  • Attack vector: N
  • Attack complexity: L
  • Attack Requirements: N
  • Privileges required: N
  • User interaction: N
  • Confidentiality (VC): H
  • Integrity (VI): H
  • Availability (VA): H
  • Confidentiality (SC): L
  • Integrity (SI): L
  • Availability (SA): L

Threat 4.0

  • Exploit maturity: X

Result 4.0

  • Vector string: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:L/SI:L/SA:L/E:X
  • Score:
    • CVSS-BT: 9.3
  • Severity:
    • CVSS-BT: Critical



free trial

Search for vulnerabilities in your apps for free with Fluid Attacks' automated security testing! Start your 21-day free trial and discover the benefits of the Continuous Hacking Essential plan. If you prefer the Advanced plan, which includes the expertise of Fluid Attacks' hacking team, fill out this contact form.