ssdpsrv.exe in Windows ME allows remote attackers to cause a denial of service by sending multiple newlines in a Simple Service Discovery Protocol (SSDP) message. NOTE: multiple replies to the original post state that the problem could not be reproduced.
Conclusion & alert: CVE-2001-1552 is rated Moderate Risk (48.6/100): CVSS Medium severity, with high exploitation likelihood (EPSS 13.90%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. 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 | 22.39% | 13.90% | -8.49% |
| 2 | 2025-07-24 | 19.07% | 22.39% | +3.32% |
| 3 | 2025-03-30 | — | 19.07% | — |
Full EPSS history (10 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows_me | — | cpe:2.3:o:microsoft:windows_me:*:*:*:*:*:*:*:* |