The Research in Motion BlackBerry 7270 with 4.0 SP1 Bundle 83 allows remote attackers to cause a denial of service (blocked call reception) via a malformed SIP invite message, possibly related to multiple format string specifiers in the From field, a spoofed source IP address, and limitations of the function stack frame.
Conclusion & alert: CVE-2007-3444 is rated Moderate Risk (43.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.87%). 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.
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 | 2026-06-15 | 1.99% | 1.87% | -0.12% |
| 2 | 2025-03-30 | 1.78% | 1.99% | +0.21% |
| 3 | 2025-03-29 | — | 1.78% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| rim | blackberry_software | 4.0 | cpe:2.3:a:rim:blackberry_software:4.0:sp1_bundle83:*:*:*:*:*:* |
| rim | blackberry_7270 | — | cpe:2.3:h:rim:blackberry_7270:*:*:*:*:*:*:*:* |