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.
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.
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)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.6 | 2.0 | MEDIUM |
|
3.9 | 6.4 | [email protected] |
| 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 |