Buffer overflow in IIS ISAPI .ASP parsing mechanism allows attackers to execute arbitrary commands via a long string to the "LANGUAGE" argument in a script tag.
Conclusion & alert: CVE-2000-1147 is rated High Exploit Risk (70.2/100): CVSS Medium severity, with high exploitation likelihood (EPSS 7.88%, 94th percentile). Core evidence: 3 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +3.97% 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 |
|---|---|---|---|---|
| 20383 | exploit_db | edb | 2000-11-06 | 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 | 2026-06-15 | 3.91% | 7.88% | +3.97% |
| 2 | 2025-03-30 | 5.74% | 3.91% | -1.82% |
| 3 | 2025-03-29 | — | 5.74% | — |
Full EPSS history (8 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| microsoft | internet_information_server | 4.0 | cpe:2.3:a:microsoft:internet_information_server:4.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://www.securityfocus.com/archive/1/143070 | Exploit Patch Vendor Advisory |
| http://www.securityfocus.com/bid/1911 | Exploit Patch Vendor Advisory |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/5510 |