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The accelerating speed of vulnerability exploitation is creating a widening window of exposure for enterprises relying on free, unsupported Java runtimes, according to new insights from Azul, a leader in enterprise Java.
Mean time to exploit Java vulnerabilities has dropped from 32 days in 2018 to just five days in 2023.
Java averages 10-12 vulnerabilities per quarterly update, with one case of exploitation occurring in just 22 minutes.
Enterprises currently average between 60 to 150 days to remediate a vulnerability, leaving a critical gap.
Organizations using free Java distributions lack guaranteed access to timely security fixes.
Azul is one of only two providers (along with Oracle) delivering Critical Set Updates (CSUs), which are security-only patches that reduce regression risk.
Running unsupported Java in production creates significant compliance risks, particularly regarding GDPR breach notification requirements.
The gap between attacker speed and enterprise patch cycles has become a critical security concern. In 2018, attackers needed 32 days to exploit a disclosed Java vulnerability. By 2023, that timeframe had contracted to five days. In one notable incident reported by Cloudflare, exploitation occurred in just 22 minutes.
This accelerating threat landscape stands in stark contrast to the remediation timelines common within enterprises. Organizations typically require 60 to 150 days to patch a vulnerability. For businesses running free, unsupported Java distributions, there is no guaranteed access to timely fixes, leaving systems exposed for extended periods during which active exploitation is highly likely.
Azul highlights the importance of Critical Set Updates (CSUs) as a strategic response to this imbalance. Unlike a full Patch Set Update, which includes multiple fixes and feature changes, a CSU delivers only the necessary security fix. This targeted approach enables faster deployment with significantly less risk of regression.
Azul is currently the only Java provider other than Oracle that delivers CSUs, positioning its platform as a critical tool for organizations seeking to align their security posture with the realities of modern exploit velocity.
Beyond immediate security threats, the use of unsupported Java runtimes introduces substantial compliance risks. Under GDPR, organizations are required to report a breach within 72 hours. With remediation cycles averaging 60 to 150 days, there is a significant gap between regulatory requirements and the ability to respond effectively when using free runtimes without dedicated support.
For organizations in regulated industries or those handling sensitive data, reliance on unsupported Java versions can lead to non-compliance, operational disruptions, and increased exposure to automated attacks leveraging AI-assisted tools.
About Azul
Azul is the trusted leader in enterprise Java for today’s AI and cloud-first world. Its open source-based Java platform empowers organizations to optimize the entire Java lifecycle to accelerate performance, strengthen security, reduce licensing and cloud costs, and boost developer productivity. Azul powers mission-critical systems for 36% of the Fortune 100, 50% of the Forbes Top 10 World’s Most Valuable Brands, and the world’s top 10 financial trading companies.
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