CVE-2004-0511

Exp

Multiple unknown vulnerabilities in MMDF on OpenServer 5.0.6 and 5.0.7, and possibly other operating systems, may allow attackers to cause a denial of service by triggering a null dereference.

Published: 2004-12-23 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0511 is rated Exploit Available (53/100): CVSS Low severity, with medium exploitation likelihood (EPSS 2.15%). 2 public exploit reference(s) are indexed (Exploit-DB). 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.

Public exploit references (Exploit-DB) for CVE-2004-0511

EDB-ID Source Kind Published Link
24293 exploit_db edb 2004-07-20 Exploit-DB ↗
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0511

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 2025-11-26 1.86% 2.15% +0.29%
2 2025-03-30 1.20% 1.86% +0.66%
3 2025-03-29 — 1.20% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0511

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
2.1 2.0 LOW
AV:L/AC:L/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.9 2.9 [email protected]

Weakness enumeration for CVE-2004-0511

Affected software / configurations for CVE-2004-0511

Vendor Product Version Raw CPE
sco openserver 5.0.6 cpe:2.3:o:sco:openserver:5.0.6:*:*:*:*:*:*:*
sco openserver 5.0.6a cpe:2.3:o:sco:openserver:5.0.6a:*:*:*:*:*:*:*
sco openserver 5.0.7 cpe:2.3:o:sco:openserver:5.0.7:*:*:*:*:*:*:*

References for CVE-2004-0511

cvelogic Threat Intelligence