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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

[0.7] - 2024-4-15

Fixed

  • A bug in the standart usage of the formula tool was spotted by Viktor is solved. The traditional usage is removed from the code.

Added

  • Web API integrated for severity calculations.

Changed

  • The calculate() function was removed during the code refactoring.

[0.6] - 2024-2-7

Fixed

  • A visual bug was introduced by Kaan and Niccolo. When the Likelihood and Impact metrics were entered as 1, these values appeared as zero in the output section as a result of the calculation. This problem has been fixed.

[0.5] - 2024-1-26

Added

  • Project version was added to calculator's output to prevent any conflicts.
  • Half-Dependent field was introduced for Exploitability metric.

Changed

  • Exploitability coefficient formula was changed.
  • The distribution graph was replaced.

[0.4.1] - 2024-1-15

Changed

  • Issue classification style was changed. (e.g CRITICAL -> Critical)
  • Precision in the final score was truncated to one decimal.

[0.4] - 2023-12-18

Added

  • Formatting feature was added.

Changed

  • The order of items Exploitability and Issue Complexity in the README.md file has been changed.

Fixed

  • All functions use strict numbers for calculation now.

[0.3] - 2023-12-14

Added

  • A new argument was added to the code for faster input entry.

[0.2] - 2023-11-20

Added

Two more special conditions were added programmatically to prevent false results:

  • The finding can be classified as Low when the impact metric is 5 and the likelihood metric is 1.
  • The finding cannot be classified as Low when the impact metric is 1 and the likelihood metric is 5.

Changed

  • Severity distribution graph was replaced.

Fixed

  • Taking the square root slightly increased the severity for numbers less than 1. This problem has been fixed.

[0.1] - 2023-11-07

Added

  • The formula.py script can be executed in two different modes:
    • Calculation mode (no argument)
    • Graph mode (-g or --graph argument)

Changed

  • Coefficients were changed.

    • Likelihood coefficient was increased to 0.5 from 0.45.
    • Impact coefficient was increased to 0.5 from 0.45.
    • Issue Complexity coefficient was increased to 0.2 from 0.1.
    • Exploitability upper-bound was decreased from 2.0 to 1.5.

  • The formula was refactored for an edge case scenario in case both likelihood and impact metrics are set to 1.

  • Severity thresholds were changed.

    • Low: 1.7 < score <= 2.5
    • Medium: 2.5 < score <= 3.5
    • High: 3.5 < score <= 4.5
    • Critical: 4.5 > score

  • Number formatting has been changed in order to obtain more precise results during the graphic creation phase.

Fixed

  • The Issue Complexity metric now affects the score negatively.