CVE-1999-1418

ICQ99 ICQ web server build 1701 with "Active Homepage" enabled generates allows remote attackers to determine the existence of files on the server by comparing server responses when a file exists ("404 Forbidden") versus when a file does not exist ("404 not found").

Published: 1999-05-01 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1418 is rated Moderate Risk (43.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.31%). 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-1999-1418

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 0.80% 1.31% +0.51%
2 2025-07-15 0.56% 0.80% +0.24%
3 2025-03-30 — 0.56% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1418

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

Weakness enumeration for CVE-1999-1418

Affected software / configurations for CVE-1999-1418

Vendor Product Version Raw CPE
mirabilis icq_web_front — cpe:2.3:a:mirabilis:icq_web_front:*:*:*:*:*:*:*:*

References for CVE-1999-1418

cvelogic Threat Intelligence