Buffer overflow in enq command in IBM AIX 4.3.x and earlier may allow local users to execute arbitrary commands via a long -M argument.
Conclusion & alert: CVE-2000-1121 is rated High Exploit Risk (64.9/100): CVSS High severity, with medium exploitation likelihood (EPSS 0.99%). Core evidence: 1 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 |
|---|---|---|---|---|
| 20454 | exploit_db | edb | 2003-04-24 | 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 | 0.12% | 0.99% | +0.87% |
| 2 | 2025-03-17 | 0.04% | 0.12% | +0.08% |
| 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 |
|---|---|---|---|---|---|---|
| 7.2 | 2.0 | HIGH |
|
3.9 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| ibm | aix | 4.2 | cpe:2.3:o:ibm:aix:4.2:*:*:*:*:*:*:* |
| ibm | aix | 4.2.1 | cpe:2.3:o:ibm:aix:4.2.1:*:*:*:*:*:*:* |
| ibm | aix | 4.3 | cpe:2.3:o:ibm:aix:4.3:*:*:*:*:*:*:* |
| ibm | aix | 4.3.1 | cpe:2.3:o:ibm:aix:4.3.1:*:*:*:*:*:*:* |
| ibm | aix | 4.3.2 | cpe:2.3:o:ibm:aix:4.3.2:*:*:*:*:*:*:* |
| ibm | aix | 4.3.3 | cpe:2.3:o:ibm:aix:4.3.3:*:*:*:*:*:*:* |