CVE-2009-4663

Exp

Heap-based buffer overflow in the Quiksoft EasyMail Objects 6 ActiveX control allows remote attackers to execute arbitrary code via a long argument to the AddAttachment method.

Published: 2010-03-03 Last update: 2026-04-29 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2009-4663 is rated High Exploit Risk (87.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 11.12%, 93th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.48% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

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

Public exploit references (Exploit-DB) for CVE-2009-4663

EDB-ID Source Kind Published Link
9705 exploit_db edb 2009-09-17 Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2009-4663

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 2026-05-02 8.64% 11.12% +2.48%
2 2025-09-10 23.06% 8.64% -14.43%
3 2025-03-30 23.06%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2009-4663

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
9.3 2.0 HIGH
AV:N/AC:M/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
8.6 10.0 [email protected]

Weakness enumeration for CVE-2009-4663

Affected software / configurations for CVE-2009-4663

Vendor Product Version Raw CPE
quiksoft easymail_objects 6.0 cpe:2.3:a:quiksoft:easymail_objects:6.0:*:*:*:*:*:*:*

References for CVE-2009-4663

cvelogic Threat Intelligence