Is CVE-2011-3556 in the CISA KEV catalog?

No. CVE-2011-3556 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3556?

CVE-2011-3556 has a CVSS v2 base score of 7.5 (HIGH).

What is the EPSS score for CVE-2011-3556?

CVE-2011-3556 has an EPSS score of 76.24% (99th percentile), estimating the probability of exploitation in the next 30 days.

CVE & CISA-KEV Catalog

CVE-2011-3556

HIGHEPSS 99th pctl

7.5

CVSS v2

NVD

Description

Unspecified vulnerability in the Java Runtime Environment component in Oracle Java SE JDK and JRE 7, 6 Update 27 and earlier, 5.0 Update 31 and earlier, 1.4.2_33 and earlier, and JRockit R28.1.4 and earlier allows remote attackers to affect confidentiality, integrity, and availability, related to RMI, a different vulnerability than CVE-2011-3557.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

76.24%probability of exploitation in 30 days

99thpercentile

Very high risk: more likely to be exploited than 99% of all known CVEs.

References

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.