CVE-2011-3556
NVD-CWE-noinfoPublished: October 19, 2011· Updated: Jun 16, 2026
Official 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.
Technical Analysis
CVE-2011-3556 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A proof-of-concept (PoC) exploit exists for CVE-2011-3556. While not yet confirmed in active campaigns, the availability of PoC code increases exploitation risk substantially.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (48)
Quick Facts
Related CVEs (NVD-CWE-noinfo)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2011-3556 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts