Common Weakness Enumeration

    CWE Definition / CWE-208

    CWE-208: Observable Timing Discrepancy

    Two separate operations in a product require different amounts of time to complete, in a way that is observable to an actor and reveals security-relevant information about the state of the product, such as whether a particular operation was successful or not.

    Published:19 Jul 2006
    Organization:MITRE
    Modified:11 Dec 2025

    Related Weakness

    CWE-203: Observable Discrepancy

    CWE-385: Covert Timing Channel

    CWE-327: Use of a Broken or Risky Cryptographic Algorithm