
In 2024, a total of 768 vulnerabilities with CVE identifiers were reported as actively exploited, marking a 20% increase from the previous year’s count of 639. This surge in exploitation highlights a troubling trend in cybersecurity, as many threat actors continue to capitalize on existing vulnerabilities.
According to VulnCheck, 23.6% of these known exploited vulnerabilities (KEV) were weaponized on or before the day their CVEs were publicly disclosed. While this figure represents a decrease from 26.8% in 2023, it still underscores the urgency of addressing vulnerabilities quickly, as exploitation can occur at any stage of a vulnerability’s lifecycle.
VulnCheck’s analyst, Patrick Garrity, indicated that during 2024, approximately 1% of newly published CVEs were reported as exploited in the wild, a rate expected to rise as the discovery of exploitations often happens long after vulnerabilities are disclosed.
The report noted that 15 different Chinese hacking groups were identified as having exploited at least one of the top vulnerabilities in 2023. Interestingly, the Log4j CVE (CVE-2021-44228) stood out as the most associated with threat actors, with 31 groups linked to its exploitation. Additionally, there are an estimated 400,000 internet-accessible systems that remain vulnerable due to 15 critical security weaknesses found in various widely-used products, including those from Apache, Microsoft, and Citrix.
VulnCheck advised organizations to assess their exposure to these vulnerabilities, improve visibility into risks, utilize robust threat intelligence, implement strong patch management practices, and minimize the internet-facing nature of vulnerable devices whenever feasible.
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