CVE-1999-1351

Directory traversal vulnerability in KVIrc IRC client 0.9.0 with the "Listen to !nick <soundname> requests" option enabled allows remote attackers to read arbitrary files via a .. (dot dot) in a DCC GET request.

Published: 1999-09-24 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-1999-1351 is rated Moderate Risk (46.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.10%). 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-1999-1351

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 2025-09-29 1.34% 1.10% -0.24%
2 2025-03-30 1.49% 1.34% -0.15%
3 2025-03-29 — 1.49% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-1999-1351

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-1999-1351

Affected software / configurations for CVE-1999-1351

Vendor Product Version Raw CPE
kvirc irc_client 0.9.0 cpe:2.3:a:kvirc:irc_client:0.9.0:*:*:*:*:*:*:*

References for CVE-1999-1351

cvelogic Threat Intelligence