CVE-2004-1777

Exp

A "range check error" in Skype for Windows before 0.98.0.28 allows local and remote attackers to cause a denial of service (application crash) via long command line arguments or a long callto:// URL, a different vulnerability than CVE-2004-1114.

Published: 2004-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2004-1777 is rated High Exploit Risk (60/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.92%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: 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-2004-1777

EDB-ID Source Kind Published Link
nvd_ref exploit_tag Exploit-DB ↗
nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2004-1777

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 2025-03-17 1.92% 0.92% -1.01%
2 2024-12-17 1.10% 1.92% +0.83%
3 2024-04-09 1.10%

Full EPSS history (5 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2004-1777

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.0 2.0 MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/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:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2004-1777

Affected software / configurations for CVE-2004-1777

Vendor Product Version Raw CPE
skype_technologies skype <= 0.98.0.27 cpe:2.3:a:skype_technologies:skype:*:*:*:*:*:*:*:*
skype_technologies skype 0.98.0.04 cpe:2.3:a:skype_technologies:skype:0.98.0.04:*:*:*:*:*:*:*

References for CVE-2004-1777

cvelogic Threat Intelligence