Directory traversal vulnerability in the DCC functionality in KVIrc 3.4 and 4.0 allows remote attackers to overwrite arbitrary files via un…

published 2010-06-29 16 y ago modified 2026-06-16 4 mo ago also EUVD-2010-2461

cvss: 9.3; version 2.0, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 4.1%; EPSS 4.1% chance of exploitation in 30 days, percentile 90%
public exploits: 0; none known

Directory traversal vulnerability in the DCC functionality in KVIrc 3.4 and 4.0 allows remote attackers to overwrite arbitrary files via unknown vectors.

Patch / fix

distros 1 links 2

kvirc Debian 14, Debian 13, Debian 12 4:4.0.0~svn4340+rc3-1

debian advisories DEBIAN-CVE-2010-2452

securityfocus.com/bid/40746 patch
debian.org/security/2010/dsa-2065 advisory

Exploit prediction

4.08% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
NVD	2.0	9.3	AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness

CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

debian.org /security/2010/dsa-2065
vendor-advisory, patch
securityfocus.com /bid/40746
vdb-entry, patch
lists.fedoraproject.org /pipermail/package-announce/2010-June/043601.html
vendor-advisory
lists.fedoraproject.org /pipermail/package-announce/2010-June/043629.html
vendor-advisory
lists.opensuse.org /opensuse-security-announce/2010-08/msg00001.html
vendor-advisory
vupen.com /english/advisories/2010/1602
vdb-entry, vendor-advisory
secunia.com /advisories/40349
third-party-advisory, vendor-advisory
secunia.com /advisories/32410
third-party-advisory, vendor-advisory
lists.omnikron.net /pipermail/kvirc/2010-May/000867.html
mailing-list

Sources

CVE List CVE-2010-2452
NVD CVE-2010-2452

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary