CVE-2004-0390

NONECVSS 0.0Weaponized

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 87.5%
KEV: Not listed

Published

December 31, 2004

Last Modified

April 16, 2026

References (6)

cve@mitrehttp://archives.neohapsis.com/archives/fulldisclosure/2004-05/0424.html
cve@mitrehttp://www.securityfocus.com/advisories/6684
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/16113
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/fulldisclosure/2004-05/0424.html
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/advisories/6684
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/16113

Data Freshness Timeline

(refreshed 12× in last 7d / 17× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-29 13:40 UTCepss_batch
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:37 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-24 16:42 UTCepss_batch
2026-05-22 21:15 UTCepss_batch
2026-05-20 22:36 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-20 11:20 UTCepss_batch
2026-05-18 21:29 UTCepss_batch
2026-05-18 21:29 UTCepss_batch

Publicly available exploits

(1 reference)

Working exploit code is in the public domain (1 Exploit-DB entry). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

Exploit-DBEDB-20851✓ verified
First seen May 7, 2001
SCO OpenServer 5.0.x - StartX Weak XHost Permissions
Open source ↗

Frequently asked(4)

What is CVE-2004-0390?

CVE-2004-0390 is a none vulnerability published on December 31, 2004. 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.

When was CVE-2004-0390 disclosed?

CVE-2004-0390 was first published in the National Vulnerability Database on December 31, 2004, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2004-0390 actively exploited?

CVE-2004-0390 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 87.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2004-0390?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2004-0390, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2004-0390

📅 Published

🔄 Last Modified

🔗 References (6)