The web interface for American Power Conversion (APC) PowerChute Network Shutdown performs all communication in cleartext (base64-encoded), which allows remote attackers to sniff authentication credentials.
Conclusion & alert: CVE-2005-4326 is rated Low Risk (38.2/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.36%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.
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 | 2025-03-23 | 0.33% | 0.36% | +0.02% |
| 2 | 2025-03-17 | 0.52% | 0.33% | -0.18% |
| 3 | 2024-11-23 | — | 0.52% | — |
Full EPSS history (6 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 |
|---|---|---|---|
| apc | powerchute_network_shutdown | — | cpe:2.3:a:apc:powerchute_network_shutdown:*:*:*:*:*:*:*:* |