CVE-2005-2385

Buffer overflow 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 execute arbitrary code via an ACE archive containing a long filename.

Published: 2005-07-27 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-2385 is rated Moderate Risk (60.1/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.99%). 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-2005-2385

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 2025-03-30 4.47% 3.99% -0.47%
2 2025-03-29 3.99% 4.47% +0.47%
3 2025-03-19 3.99%

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2385

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-2005-2385

Affected software / configurations for CVE-2005-2385

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-2005-2385

cvelogic Threat Intelligence