CVE-2004-2766
CWE-200Published: January 28, 2010· Updated: Jun 16, 2026
Official Description
Webmail in Sun ONE Messaging Server 6.1 and iPlanet Messaging Server 5.2 before 5.2hf2.02 allows remote attackers to obtain unspecified "access" to e-mail via a crafted e-mail message, related to a "session hijacking" issue, a different vulnerability than CVE-2005-2022 and CVE-2006-5486.
Technical Analysis
CVE-2004-2766 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.
From a weakness classification perspective (CWE-200): Information exposure vulnerabilities leak sensitive data to unauthorized actors.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
Official Patches & Advisories
All References (4)
Quick Facts
Related CVEs (CWE-200)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2004-2766 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts