CVE-2009-2658: Znc

High severity, CVSS 7.5. EPSS: 2.9% chance of exploitation in the next 30 days.

Directory traversal vulnerability in ZNC before 0.072 allows remote attackers to overwrite arbitrary files via a crafted DCC SEND request.

Affected products

• Znc Znc: version 0.044 only; version 0.045 only; version 0.047 only; version 0.052 only; version 0.054 only; version 0.056 only; …

Published 2009-08-04. Last modified 2026-06-16.