Vulnerability severity prediction model for software based on Markov chain
by Gul Jabeen; Xi Yang; Ping Luo
International Journal of Information and Computer Security (IJICS), Vol. 15, No. 2/3, 2021

Abstract: Software vulnerabilities primarily constitute security risks. Commonalities between faults and vulnerabilities prompt developers to utilise traditional fault prediction models and metrics for vulnerability prediction. Although traditional models can predict the number of vulnerabilities and their occurrence time, they fail to accurately determine the seriousness of vulnerabilities, impacts, and severity level. To address these deficits, we propose a method for predicting software vulnerabilities based on a Markov chain model, which offers a more comprehensive descriptive model with the potential to accurately predict vulnerability type, i.e., the seriousness of the vulnerabilities. The experiments are performed using real vulnerability data of three types of popular software: Windows 10, Adobe Flash Player and Firefox. Our model is shown to produce accurate predictive results.

Online publication date: Tue, 20-Jul-2021

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