CVE-2005-2384

Directory traversal vulnerability in a third-party compression library (UNACEV2.DLL), as used in avast! Antivirus Home/Professional Edition 4.6.665 and Server Edition 4.6.460, allows remote attackers to write arbitrary files via an ACE archive containing filenames with (1) .. or (2) absolute pathnames.

Published: 2005-07-27 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-2384 is rated Moderate Risk (51.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.49%). Core evidence: EPSS rose +1.03% over the last day, indicating growing attacker interest. Mandatory action: 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-2005-2384

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 2.46% 3.49% +1.03%
2 2025-03-30 2.74% 2.46% -0.28%
3 2025-03-29 2.74%

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2384

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

Weakness enumeration for CVE-2005-2384

Affected software / configurations for CVE-2005-2384

Vendor Product Version Raw CPE
alwil avast_antivirus 4.6.460 cpe:2.3:a:alwil:avast_antivirus:4.6.460:*:server:*:*:*:*:*
alwil avast_antivirus 4.6.665 cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:home:*:*:*:*:*
alwil avast_antivirus 4.6.665 cpe:2.3:a:alwil:avast_antivirus:4.6.665:*:pro:*:*:*:*:*

References for CVE-2005-2384

cvelogic Threat Intelligence