Over 70% of the industrial control system (ICS) vulnerabilities disclosed in the first half of 2020 were remotely exploitable through a network attack vector, industrial cybersecurity company Claroty reported on Wednesday.
Claroty has analyzed the 365 ICS flaws added to the National Vulnerability Database (NVD) and 385 vulnerabilities covered in advisories published by ICS-CERT (CISA). The security holes affect products from a total of 53 vendors and nearly three quarters of them were identified by security researchers.
Claroty told SecurityWeek that it has decided to analyze both vulnerabilities covered in ICS-CERT advisories and the NVD to “get the most comprehensive data about the state of security of ICS products.” While many of the advisories overlap, there are some discrepancies.
“Based on our research we have seen cases that some ICS-related CVEs are not covered 100% by the ICS-CERT advisories but are shown in the NVD, and vice versa,” explained Amir Preminger, VP of Research at Claroty. “In future reports we are planning to expand our covered sources since we have found that more information can be collected from different CERTs and vendor advisories.”
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The number of vulnerabilities added to the NVD in the first half of 2020 is roughly 10% higher compared to the number of flaws disclosed in the same period of 2019. ICS-CERT published 139 advisories, compared to 105 in the first half of the previous year.
“While it may seem logical to assume that this and similar increases were caused by an increase in adversary activity and/or a decrease in ICS vendors’ security posture, the primary factors are likely heigh ..
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