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Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVE-2021-40345

Severity High
Score 9/10

Summary

An issue was discovered in Nagios XI 5.8.5. In the Manage Dashlets section of the Admin panel, an administrator can upload ZIP files. A command injection (within the name of the first file in the archive) allows an attacker to execute system commands.

  • LOW
  • NETWORK
  • SINGLE
  • COMPLETE
  • COMPLETE
  • COMPLETE

CWE-77 - Command Injection

A command injection attack involves injecting an operating system command through the data input, which gets executed on the host operating system with the privileges of the victimized application. The impact of a command injection attack may range from loss of data confidentiality and integrity to unauthorized remote access to the hosting system. The attack may cause serious data breaches and system takeover.

References

Advisory Timeline

  • Published