The SMTP service in Microsoft Internet Information Services (IIS) 4.0 and 5.0 allows remote attackers to bypass anti-relaying rules and send spam or spoofed messages via encapsulated SMTP addresses, a similar vulnerability to CVE-1999-0682.
Conclusion & alert: CVE-2002-1790 is rated High Exploit Risk (73.9/100): CVSS Medium severity, with high exploitation likelihood (EPSS 34.74%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +15.02% 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 |
|---|---|---|---|---|
| 21613 | exploit_db | edb | 2002-07-12 | 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 | 2026-03-01 | 19.73% | 34.74% | +15.02% |
| 2 | 2025-12-28 | 17.78% | 19.73% | +1.94% |
| 3 | 2025-12-27 | — | 17.78% | — |
Full EPSS history (26 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 | exchange_server | 5.5 | cpe:2.3:a:microsoft:exchange_server:5.5:-:*:*:*:*:*:* |
| microsoft | exchange_server | 5.5 | cpe:2.3:a:microsoft:exchange_server:5.5:sp1:*:*:*:*:*:* |
| microsoft | exchange_server | 5.5 | cpe:2.3:a:microsoft:exchange_server:5.5:sp2:*:*:*:*:*:* |
| microsoft | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |
| microsoft | internet_information_services | 5.0 | cpe:2.3:a:microsoft:internet_information_services:5.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://online.securityfocus.com/archive/1/281914 | Third Party Advisory VDB Entry |
| http://www.iss.net/security_center/static/9580.php | Broken Link |
| http://www.securityfocus.com/bid/5213 | Exploit Patch Third Party Advisory VDB Entry |