CVE-2011-3544KEV · OVERDUE

Oracle Java SE Runtime Environment (JRE) Arbitrary Code Execution Vulnerability

Critical · published October 19, 2011

Patch now

Confirmed exploited, and the score agrees

CVSS calls it critical at 9.8. It is confirmed in active exploitation. It sits in the 99.9th percentile for exploit probability.

1674
days past CISA
deadline
CVSS v3.1
9.8
EPSS
97%
Percentile
99.9
In the wild
Confirmed
What it is

🚨 Untrusted Java Web Start applications are the backdoor to your system! A whopping CVSS score of 9.8 signals danger, as remote attackers can manipulate your Java Runtime Environment with just a crafty applet. 🔥 Think of it like opening a front door to a stranger at your home without checking their credentials — once they're in, they can rummage around, change things, and even lock you out completely! This vulnerability poses a severe risk, allowing attackers to access sensitive data, alter your system's functionality, and potentially bring your entire application down. It's absolutely devastating if left unaddressed, as trust in your Java applications could be shattered in an instant!

Put simply

Think of it like opening a front door to a stranger at your home without checking their credentials — once they're in, they can rummage around, change things, and even lock you out completely! The unspecified vulnerability in the Java Runtime Environment allows remote untrusted Java applications to exploit scripting weaknesses, affecting your system's confidentiality, integrity, and availability without needing any user authentication.

What to do

This vulnerability poses a severe risk, allowing attackers to access sensitive data, alter your system's functionality, and potentially bring your entire application down. It's absolutely devastating if left unaddressed, as trust in your Java applications could be shattered in an instant! Immediate action is crucial! Upgrade your Java SE JDK and JRE to the latest version, ensuring all installations are updated past Update 27. Additionally, restrict or disable Java applets and Web Start applications unless absolutely necessary. 🛡️ You've got this! By taking these steps, you'll bolster your defenses and keep those pesky attackers at bay! 💪✨

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.96653 · 99.9th percentile
Published
2011-10-19T21:00Z
KEV added
2022-03-03 · due 2022-03-24
EPSS history
Timeline
  • 03 MAR 00:00Z
    Added to CISA KEV — remediate by Mar 24
    kev
  • 19 OCT 21:00Z
    Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7 and 6 Update 27 and earlier allows remote untrusted Java…
    cvelistv5