Is CVE-2007-4609 being actively exploited?

CVE-2007-4609 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2007-4609?

CVE-2007-4609 has a CVSS 2.0 base score of 6.4 (MEDIUM).

CVE-2007-4609

MEDIUM · CVSS 6.4EPSS 1.4%EU EUVD

eyeOS uses predictable checksum values in the checknum parameter for access control, which allows remote attackers to register many accounts via doCreateUser actions, add many eyeBoard messages via addMsg actions, and cause a denial of service or conduct certain unauthorized activities, by guessing valid parameter values.

Key facts

CVSS score: 6.4 (v2.0)
Severity: MEDIUM
CVSS vector: AV:N/AC:L/Au:N/C:P/I:N/A:P
Weakness (CWE): CWE-264
EPSS score: 1.4% (72th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2007-4591)
Published: August 31, 2007
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2007-4591 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

eyeos project / eyeos

References

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

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