Buffer overflow in pam_smb and pam_ntdom pluggable authentication modules (PAM) allow remote attackers to execute arbitrary commands via a login with a long user name.
Conclusion & alert: CVE-2000-0843 is rated High Risk (75/100): CVSS Critical severity, with high exploitation likelihood (EPSS 6.54%, 93th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +2.52% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 4.03% | 6.54% | +2.52% |
| 2 | 2025-03-30 | 7.24% | 4.03% | -3.21% |
| 3 | 2025-03-29 | — | 7.24% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 10.0 | 2.0 | HIGH |
|
10.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| dave_airlie | pam_smb | 1.1.5 | cpe:2.3:a:dave_airlie:pam_smb:1.1.5:*:*:*:*:*:*:* |
| luke_kenneth_casson_leighton | pam_ntdom | 0.23 | cpe:2.3:a:luke_kenneth_casson_leighton:pam_ntdom:0.23:*:*:*:*:*:*:* |