Multiple unspecified vulnerabilities in the PDF distiller in the Attachment Service component in Research In Motion (RIM) BlackBerry Enterprise Server (BES) software 4.1.3 through 4.1.7 and 5.0.0, and BlackBerry Professional Software 4.1.4, allow user-assisted remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted .pdf file attachment, a different vulnerability than CVE-2008-3246, CVE-2009-0176, CVE-2009-0219, CVE-2009-2643, and CVE-2009-2646.
Conclusion & alert: CVE-2009-4778 is rated High Risk (65.9/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.37%). Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 2025-09-12 | 3.19% | 2.37% | -0.82% |
| 2 | 2025-03-30 | 6.22% | 3.19% | -3.03% |
| 3 | 2025-03-29 | — | 6.22% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
: Per: http://www.blackberry.com/btsc/search.do?cmd=displayKC&docType=kc&externalId=KB19860 'These vulnerabilities could enable a malicious individual to send an email message containing a specially crafted PDF file, which when opened for viewing on a BlackBerry smartphone that is associated with a user account on a BlackBerry Enterprise Server, could cause memory corruption and possibly lead to a Denial of Service (DoS) condition or arbitrary code execution on the computer that hosts the BlackBerry Attachment Service component of that BlackBerry Enterprise Server.'
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rim | blackberry_enterprise_server | 4.1.3 | cpe:2.3:a:rim:blackberry_enterprise_server:4.1.3:*:*:*:*:*:*:* |
| rim | blackberry_enterprise_server | 4.1.4 | cpe:2.3:a:rim:blackberry_enterprise_server:4.1.4:*:*:*:*:*:*:* |
| rim | blackberry_enterprise_server | 4.1.5 | cpe:2.3:a:rim:blackberry_enterprise_server:4.1.5:*:*:*:*:*:*:* |
| rim | blackberry_enterprise_server | 4.1.6 | cpe:2.3:a:rim:blackberry_enterprise_server:4.1.6:*:*:*:*:*:*:* |
| rim | blackberry_enterprise_server | 4.1.7 | cpe:2.3:a:rim:blackberry_enterprise_server:4.1.7:*:*:*:*:*:*:* |
| rim | blackberry_enterprise_server | 5.0.0 | cpe:2.3:a:rim:blackberry_enterprise_server:5.0.0:*:*:*:*:*:*:* |
| rim | blackberry_professional_software | 4.1.4 | cpe:2.3:a:rim:blackberry_professional_software:4.1.4:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://secunia.com/advisories/37562 | Vendor Advisory |
| http://www.blackberry.com/btsc/KB19860 | Patch Vendor Advisory |
| http://www.securityfocus.com/bid/37167 | |
| http://www.securitytracker.com/id?1023258 | |
| http://www.vupen.com/english/advisories/2009/3372 | Patch Vendor Advisory |