CVE-2004-0391

Cisco Wireless LAN Solution Engine (WLSE) 2.0 through 2.5 and Hosting Solution Engine (HSE) 1.7 through 1.7.3 have a hardcoded username and password, which allows remote attackers to add new users, modify existing users, and change configuration.

Published: 2004-06-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0391 is rated High Risk (75.4/100): CVSS Critical severity, with high exploitation likelihood (EPSS 4.58%, 90th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +3.78% over the last day, indicating growing attacker interest. 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.

Exploit prediction scoring system (EPSS) score for CVE-2004-0391

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 0.80% 4.58% +3.78%
2 2025-12-20 0.62% 0.80% +0.18%
3 2025-03-30 — 0.62% —

Full EPSS history (11 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0391

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
 10.0 10.0 [email protected]

Weakness enumeration for CVE-2004-0391

Affected software / configurations for CVE-2004-0391

Vendor Product Version Raw CPE
cisco wireless_lan_solution_engine 2.0 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.0:*:*:*:*:*:*:*
cisco wireless_lan_solution_engine 2.1 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.1:*:*:*:*:*:*:*
cisco wireless_lan_solution_engine 2.2 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.2:*:*:*:*:*:*:*
cisco wireless_lan_solution_engine 2.3 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.3:*:*:*:*:*:*:*
cisco wireless_lan_solution_engine 2.4 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.4:*:*:*:*:*:*:*
cisco wireless_lan_solution_engine 2.5 cpe:2.3:a:cisco:wireless_lan_solution_engine:2.5:*:*:*:*:*:*:*
cisco hosting_solution_engine 1.7 cpe:2.3:h:cisco:hosting_solution_engine:1.7:*:*:*:*:*:*:*
cisco hosting_solution_engine 1.7.0 cpe:2.3:h:cisco:hosting_solution_engine:1.7.0:*:*:*:*:*:*:*
cisco hosting_solution_engine 1.7.1 cpe:2.3:h:cisco:hosting_solution_engine:1.7.1:*:*:*:*:*:*:*
cisco hosting_solution_engine 1.7.2 cpe:2.3:h:cisco:hosting_solution_engine:1.7.2:*:*:*:*:*:*:*
cisco hosting_solution_engine 1.7.3 cpe:2.3:h:cisco:hosting_solution_engine:1.7.3:*:*:*:*:*:*:*

References for CVE-2004-0391

cvelogic Threat Intelligence