Format string vulnerability in the logging function in the IM Server (aka IMserve or IMserver) in Ipswitch Instant Messaging (IM) 2.0.8.1 and earlier allows remote authenticated users to cause a denial of service (daemon crash) and possibly have unspecified other impact via format string specifiers in an IP address field.
Conclusion & alert: CVE-2008-0945 is rated Moderate Risk (51.6/100): CVSS Low severity, with high exploitation likelihood (EPSS 6.88%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.68% over the last day, indicating growing attacker interest. 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 | 2026-06-15 | 1.20% | 6.88% | +5.68% |
| 2 | 2025-06-03 | 0.89% | 1.20% | +0.31% |
| 3 | 2025-04-16 | — | 0.89% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 3.5 | 2.0 | LOW |
|
6.8 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ipswitch | imserver | <= 2.0.8.1 | cpe:2.3:a:ipswitch:imserver:*:*:*:*:*:*:*:* |
| ipswitch | instant_messaging | <= 2.0.8.1 | cpe:2.3:a:ipswitch:instant_messaging:*:*:*:*:*:*:*:* |