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CAS-005 · Question #361

A web application server is running a legacy operating system with an unpatched RCE vulnerability. The server cannot be upgraded until the corresponding application code is changed. Which of the…

The correct answer is A. Segmentation. Segmentation is a compensating control that helps mitigate risks by isolating critical systems or vulnerable systems from the rest of the network. In this case, the web application server running a legacy operating system with an unpatched remote code execution (RCE)…

Submitted by jian89· Mar 6, 2026Security Architecture

Question

A web application server is running a legacy operating system with an unpatched RCE vulnerability. The server cannot be upgraded until the corresponding application code is changed. Which of the following compensating controls would best prevent successful exploitation?

Options

  • ASegmentation
  • BCASB
  • CHIPS
  • DUEBA

How the community answered

(26 responses)
  • A
    85% (22)
  • B
    8% (2)
  • C
    4% (1)
  • D
    4% (1)

Explanation

Segmentation is a compensating control that helps mitigate risks by isolating critical systems or vulnerable systems from the rest of the network. In this case, the web application server running a legacy operating system with an unpatched remote code execution (RCE) vulnerability can be isolated through network segmentation. This limits the potential for attackers to exploit the vulnerability by restricting access to the server and preventing lateral movement within the network. By segmenting the server, the attack surface is reduced, and the risk of successful exploitation is minimized until the system can be properly patched.

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