The remote management interface in SIP Enablement Services (SES) Server in Avaya SIP Enablement Services 5.0, and Communication Manager (CM) 5.0 on the S8300C with SES enabled, proceeds with Core router updates even when a login is invalid, which allows remote attackers to cause a denial of service (messaging outage) or gain privileges via an update request.
Conclusion & alert: CVE-2008-3778 is rated Moderate Risk (54.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.34%). 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 | 0.52% | 1.34% | +0.83% |
| 2 | 2025-03-30 | 0.57% | 0.52% | -0.05% |
| 3 | 2025-03-29 | — | 0.57% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| avaya | sip_enablement_services | 5.0 | cpe:2.3:a:avaya:sip_enablement_services:5.0:*:*:*:*:*:*:* |
| avaya | communication_manager | 5.0 | cpe:2.3:a:avaya:communication_manager:5.0:*:*:*:*:*:*:* |