CVE-2001-1305

ICQ 2001a Alpha and earlier allows remote attackers to automatically add arbitrary UINs to an ICQ user's contact list via a URL to a web page with a Content-Type of application/x-icq, which is processed by Internet Explorer.

Published: 2001-08-17 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2001-1305 is rated Moderate Risk (45.6/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.48%). Mandatory action: Review affected assets and schedule remediation.

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-2001-1305

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 0.52% 1.48% +0.96%
2 2025-07-15 0.43% 0.52% +0.09%
3 2025-03-30 0.43%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2001-1305

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:P/A:N 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:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
10.0 2.9 [email protected]

Weakness enumeration for CVE-2001-1305

Affected software / configurations for CVE-2001-1305

Vendor Product Version Raw CPE
mirabilis icq 2000.0a cpe:2.3:a:mirabilis:icq:2000.0a:*:*:*:*:*:*:*
mirabilis icq 2000.0b_build3278 cpe:2.3:a:mirabilis:icq:2000.0b_build3278:*:*:*:*:*:*:*
mirabilis icq 2001a cpe:2.3:a:mirabilis:icq:2001a:*:*:*:*:*:*:*

References for CVE-2001-1305

cvelogic Threat Intelligence