Vulnerability in a system call in BSDI 3.0 and 3.1 allows local users to cause a denial of service (reboot) in the kernel via a particular sequence of instructions.
Conclusion & alert: CVE-2001-1133 is rated Exploit Available (50/100): CVSS Low severity, with medium exploitation likelihood (EPSS 0.42%). 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 |
|---|---|---|---|---|
| 21077 | exploit_db | edb | 2001-08-21 | 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 | 2025-07-19 | 0.23% | 0.42% | +0.19% |
| 2 | 2025-03-17 | 0.04% | 0.23% | +0.19% |
| 3 | 2023-03-07 | — | 0.04% | — |
Full EPSS history (4 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 2.1 | 2.0 | LOW |
|
3.9 | 2.9 | [email protected] |
| URL | Tags |
|---|---|
| http://www.iss.net/security_center/static/7023.php | Vendor Advisory |
| http://www.securityfocus.com/archive/1/209192 | Vendor Advisory |
| http://www.securityfocus.com/bid/3220 | Exploit Vendor Advisory |