CVE-2004-0390

Exp

SCO OpenServer 5.0.5 through 5.0.7 only supports Xauthority style access control when users log in using scologin, which allows remote attackers to gain unauthorized access to an X session via other X login methods.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2004-0390 is rated High Exploit Risk (74/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.36%). 1 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-2004-0390

EDB-ID Source Kind Published Link
20851 exploit_db edb 2001-05-07 Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-0390

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 2025-03-30 4.51% 3.36% -1.15%
2 2025-03-29 3.36% 4.51% +1.15%
3 2025-03-17 — 3.36% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-0390

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-2004-0390

Affected software / configurations for CVE-2004-0390

Vendor Product Version Raw CPE
sco openserver 5.0.5 cpe:2.3:o:sco:openserver:5.0.5:*:*:*:*:*:*:*
sco openserver 5.0.6 cpe:2.3:o:sco:openserver:5.0.6:*:*:*:*:*:*:*
sco openserver 5.0.7 cpe:2.3:o:sco:openserver:5.0.7:*:*:*:*:*:*:*

References for CVE-2004-0390

cvelogic Threat Intelligence