Is CVE-2004-2766 being actively exploited?

CVE-2004-2766 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2004-2766?

CVE-2004-2766 has a CVSS 2.0 base score of 4.3 (MEDIUM).

CVE-2004-2766

MEDIUM · CVSS 4.3EPSS 1.4%EU EUVD

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.

Key facts

CVSS score: 4.3 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:M/Au:N/C:P/I:N/A:N
Weakness (CWE): CWE-200
EPSS score: 1.4% (73th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2004-2756)
Published: January 28, 2010
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2004-2756 in the EU Vulnerability Database. Last updated in EUVD on September 16, 2024.

View on the EU Vulnerability Database

Affected products

redhat / enterprise linux
sun / iplanet messaging server
sun / one messaging server
sun / solaris
sun / solaris
sun / solaris
sun / solaris

References

http://sunsolve.sun.com/search/document.do?assetkey=1-21-116568-55-1(Patch)
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201180-1(Patch, Vendor Advisory)

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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