CVE-2004-0193

Heap-based buffer overflow in the ISS Protocol Analysis Module (PAM), as used in certain versions of RealSecure Network 7.0 and Server Sensor 7.0, Proventia A, G, and M Series, RealSecure Desktop 7.0 and 3.6, RealSecure Guard 3.6, RealSecure Sentry 3.6, BlackICE PC Protection 3.6, and BlackICE Server Protection 3.6, allows remote attackers to execute arbitrary code via an SMB packet containing an authentication request with a long username.

Published: 2004-03-15 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0193 is rated Moderate Risk (64.8/100): CVSS High severity, with high exploitation likelihood (EPSS 29.46%, 97th percentile). EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +1.01% 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-2004-0193

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 2026-05-07 28.45% 29.46% +1.01%
2 2025-07-27 32.16% 28.45% -3.71%
3 2025-03-30 — 32.16% —

Full EPSS history (10 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0193

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2004-0193

Affected software / configurations for CVE-2004-0193

Vendor Product Version Raw CPE
iss blackice_agent_server 3.6eca cpe:2.3:a:iss:blackice_agent_server:3.6eca:*:*:*:*:*:*:*
iss blackice_pc_protection 3.6cbd cpe:2.3:a:iss:blackice_pc_protection:3.6cbd:*:*:*:*:*:*:*
iss blackice_server_protection 3.6cbz cpe:2.3:a:iss:blackice_server_protection:3.6cbz:*:*:*:*:*:*:*
iss realsecure_desktop 3.6eca cpe:2.3:a:iss:realsecure_desktop:3.6eca:*:*:*:*:*:*:*
iss realsecure_desktop 3.6ecf cpe:2.3:a:iss:realsecure_desktop:3.6ecf:*:*:*:*:*:*:*
iss realsecure_desktop 7.0ebg cpe:2.3:a:iss:realsecure_desktop:7.0ebg:*:*:*:*:*:*:*
iss realsecure_desktop 7.0epk cpe:2.3:a:iss:realsecure_desktop:7.0epk:*:*:*:*:*:*:*
iss realsecure_guard 3.6ecb cpe:2.3:a:iss:realsecure_guard:3.6ecb:*:*:*:*:*:*:*
iss realsecure_network 7.0 cpe:2.3:a:iss:realsecure_network:7.0:xpu_20.15:*:*:*:*:*:*
iss realsecure_sentry 3.6ecf cpe:2.3:a:iss:realsecure_sentry:3.6ecf:*:*:*:*:*:*:*
iss realsecure_server_sensor 7.0 cpe:2.3:a:iss:realsecure_server_sensor:7.0:xpu20.16:*:*:*:*:*:*
iss proventia_a_series_xpu 20.15 cpe:2.3:h:iss:proventia_a_series_xpu:20.15:*:*:*:*:*:*:*
iss proventia_g_series_xpu 22.3 cpe:2.3:h:iss:proventia_g_series_xpu:22.3:*:*:*:*:*:*:*
iss proventia_m_series_xpu 1.30 cpe:2.3:h:iss:proventia_m_series_xpu:1.30:*:*:*:*:*:*:*

References for CVE-2004-0193

cvelogic Threat Intelligence