How severe is CVE-2007-4609?

CVE-2007-4609 has a CVSS 2.0 base score of 6.4, rated medium severity.

Is CVE-2007-4609 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-4609?

CVE-2007-4609 affects Eyeos Project Eyeos. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-4609?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-4609 published?

CVE-2007-4609 was published on 2007-08-31 and last updated on 2026-06-16.

CVE-2007-4609

CVE-2007-4609 is a medium-severity vulnerability in Eyeos Project Eyeos with a CVSS 2.0 base score of 6.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-264.

Key facts

Severity: Medium (CVSS 2.0 base score 6.4)
EPSS exploit prediction: 1% (69th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-264
Affected product: Eyeos Project Eyeos
Published: 2007-08-31
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2007-4609?: 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.
How severe is CVE-2007-4609?: CVE-2007-4609 has a CVSS 2.0 base score of 6.4, rated medium severity.
Is CVE-2007-4609 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (69th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4609?: CVE-2007-4609 affects Eyeos Project Eyeos. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2007-4609?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4609 published?: CVE-2007-4609 was published on 2007-08-31 and last updated on 2026-06-16.

References

Affected products (1)

cpe:2.3:o:eyeos_project:eyeos:*:*:*:*:*:*:*:*

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