Multiple buffer overflows in the Resolution Service for Microsoft SQL Server 2000 and Microsoft Desktop Engine 2000 (MSDE) allow remote attackers to cause a denial of service or execute arbitrary code via UDP packets to port 1434 in which (1) a 0x04 byte that causes the SQL Monitor thread to generate a long registry key name, or (2) a 0x08 byte with a long string causes heap corruption, as exploited by the Slammer/Sapphire worm.
Conclusion & alert: CVE-2002-0649 is rated High Exploit Risk (78.5/100): CVSS High severity, with high exploitation likelihood (EPSS 84.75%, 100th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| 16393 | exploit_db | edb | 2010-04-30 | Exploit-DB ↗ |
| 21652 | exploit_db | edb | 2002-07-25 | Exploit-DB ↗ |
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 | 86.09% | 84.75% | -1.34% |
| 2 | 2026-05-24 | 85.81% | 86.09% | +0.28% |
| 3 | 2026-02-19 | — | 85.81% | — |
Full EPSS history (19 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 |
|---|---|---|---|
| microsoft | data_engine | 2000 | cpe:2.3:a:microsoft:data_engine:2000:*:*:*:*:*:*:* |
| microsoft | sql_server | 2000 | cpe:2.3:a:microsoft:sql_server:2000:*:*:*:*:*:*:* |
| microsoft | sql_server | 2000 | cpe:2.3:a:microsoft:sql_server:2000:sp1:*:*:*:*:*:* |
| microsoft | sql_server | 2000 | cpe:2.3:a:microsoft:sql_server:2000:sp2:*:*:*:*:*:* |