CVE-2011-3549

CVE-2011-3549 is a critical-severity vulnerability in Sun Jdk with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Description

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 6 Update 27 and earlier, 5.0 Update 31 and earlier, and 1.4.2_33 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Swing.

Frequently asked questions

What is CVE-2011-3549?
Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 6 Update 27 and earlier, 5.0 Update 31 and earlier, and 1.4.2_33 and earlier allows remote untrusted Java Web Start applications and untrusted Java applets to affect confidentiality, integrity, and availability via unknown vectors related to Swing.
How severe is CVE-2011-3549?
CVE-2011-3549 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2011-3549 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (87th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2011-3549?
CVE-2011-3549 primarily affects Sun Jdk. In total, 183 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2011-3549?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2011-3549 published?
CVE-2011-3549 was published on 2011-10-19 and last updated on 2026-06-16.

References

Affected products (183)

More vulnerabilities in Sun Jdk

All CVEs affecting Sun Jdk →