CVE-2004-1778

Skype 0.92.0.12 and 1.0.0.1 for Linux, and possibly other versions, creates the /usr/share/skype/lang directory with world-writable permissions, which allows local users to modify language files and possibly conduct social engineering or other attacks.

Published: 2004-12-22 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1778 is rated Low Risk (29.4/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.39%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

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-2004-1778

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 0.06% 0.39% +0.33%
2 2025-03-17 0.04% 0.06% +0.02%
3 2023-03-07 0.04%

Full EPSS history (4 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1778

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.6 2.0 MEDIUM
AV:L/AC:L/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
3.9 6.4 [email protected]

Weakness enumeration for CVE-2004-1778

Affected software / configurations for CVE-2004-1778

Vendor Product Version Raw CPE
skype skype 0.92.0.12 cpe:2.3:a:skype:skype:0.92.0.12:*:*:*:*:*:*:*
skype skype 1.0.0.1 cpe:2.3:a:skype:skype:1.0.0.1:*:*:*:*:*:*:*

References for CVE-2004-1778

URL Tags
http://marc.info/?l=bugtraq&m=110374568916303&w=2 Issue Tracking Mailing List Third Party Advisory
http://marc.info/?l=bugtraq&m=110868557905786&w=2 Issue Tracking Mailing List Third Party Advisory
http://www.securityfocus.com/bid/12081 Broken Link Third Party Advisory VDB Entry Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/18644 Third Party Advisory VDB Entry
cvelogic Threat Intelligence