CVE-2006-2403

Buffer overflow in FileZilla before 2.2.23 allows remote attackers to execute arbitrary commands via unknown attack vectors.

Published: 2006-05-16 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-2403 is rated Moderate Risk (60/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.43%). EPSS rose +1.27% over the last day, indicating growing attacker interest. 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-2006-2403

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 1.15% 2.43% +1.27%
2 2025-06-09 1.11% 1.15% +0.04%
3 2025-03-17 — 1.11% —

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-2403

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P 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:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
 10.0 6.4 [email protected]

Weakness enumeration for CVE-2006-2403

OS Trackers for CVE-2006-2403

vendor priority summary link
debian unimportant CVE-2006-2403 unimportant priority: Debian including 1 source packages (filezilla), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2006-2403

NVD evaluator notes for CVE-2006-2403

Solution: Failed exploit attempts will likely crash the application. This vulnerability is addressed in the following product release: FileZilla, FileZilla, 2.2.23

Affected software / configurations for CVE-2006-2403

Vendor Product Version Raw CPE
filezilla filezilla 2.2.14b cpe:2.3:a:filezilla:filezilla:2.2.14b:*:*:*:*:*:*:*
filezilla filezilla 2.2.15 cpe:2.3:a:filezilla:filezilla:2.2.15:*:*:*:*:*:*:*
filezilla filezilla 2.2.22 cpe:2.3:a:filezilla:filezilla:2.2.22:*:*:*:*:*:*:*

References for CVE-2006-2403

cvelogic Threat Intelligence