Microsoft Windows 2000 Gold through SP4, XP Gold through SP3, Server 2003 SP1 and SP2, Vista Gold and SP1, and Server 2008 allows remote SMB servers to execute arbitrary code on a client machine by replaying the NTLM credentials of a client user, as demonstrated by backrush, aka "SMB Credential Reflection Vulnerability." NOTE: some reliable sources report that this vulnerability exists because of an insufficient fix for CVE-2000-0834.
Conclusion & alert: CVE-2008-4037 is rated High Exploit Risk (88.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 75.53%, 99th percentile). Core evidence: 6 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.60% over the last day, indicating growing attacker interest. 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 |
|---|---|---|---|---|
| 16360 | exploit_db | edb | 2010-09-21 | Exploit-DB ↗ |
| 7125 | exploit_db | edb | 2008-11-14 | Exploit-DB ↗ |
| 20 | exploit_db | edb | 2003-04-25 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | 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 | 2025-10-23 | 73.93% | 75.53% | +1.60% |
| 2 | 2025-10-01 | 75.53% | 73.93% | -1.60% |
| 3 | 2025-03-30 | — | 75.53% | — |
Full EPSS history (19 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:sp1:*:*:*:*:*:* |
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:sp1:itanium:*:*:*:*:* |
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:sp2:*:*:*:*:*:* |
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:sp2:itanium:*:*:*:*:* |
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:sp2:x64:*:*:*:*:* |
| microsoft | windows | server_2003 | cpe:2.3:o:microsoft:windows:server_2003:unknown:x64:*:*:*:*:* |
| microsoft | windows | xp | cpe:2.3:o:microsoft:windows:xp:sp2:*:*:*:*:*:* |
| microsoft | windows | xp | cpe:2.3:o:microsoft:windows:xp:sp2:x64:*:*:*:*:* |
| microsoft | windows | xp | cpe:2.3:o:microsoft:windows:xp:sp3:*:*:*:*:*:* |
| microsoft | windows | xp | cpe:2.3:o:microsoft:windows:xp:unknown:x64:*:*:*:*:* |
| microsoft | windows_2000 | — | cpe:2.3:o:microsoft:windows_2000:-:sp4:*:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:*:itanium:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:*:x32:*:*:*:*:* |
| microsoft | windows_server_2008 | — | cpe:2.3:o:microsoft:windows_server_2008:-:*:x64:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:*:*:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:*:x64:*:*:*:*:* |
| microsoft | windows_vista | — | cpe:2.3:o:microsoft:windows_vista:-:sp1:*:*:*:*:*:* |