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.

Published: 2007-08-31 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2007-4609 is rated Moderate Risk (51/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.71%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2007-4609

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-04-19 0.58% 0.71% +0.13%
2 2025-09-25 0.53% 0.58% +0.05%
3 2025-03-30 0.53%

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2007-4609

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.4 2.0 MEDIUM
AV:N/AC:L/Au:N/C:P/I:N/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 4.9 [email protected]

Weakness enumeration for CVE-2007-4609

Affected software / configurations for CVE-2007-4609

Vendor Product Version Raw CPE
eyeos_project eyeos cpe:2.3:o:eyeos_project:eyeos:*:*:*:*:*:*:*:*

References for CVE-2007-4609

cvelogic Threat Intelligence