CVE-2005-4786

Buffer overflow in the archive decompression library (vrAZMain.dll 5.8.22.137), as used in HAURI anti-virus products including (1) ViRobot Expert 4.0, (2) ViRobot Advanced Server, and (3) HAURI LiveCall, allows user-assisted attackers to execute arbitrary code via an ALZ archive containing a file with a long filename.

Published: 2005-12-31 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2005-4786 is rated Moderate Risk (47.3/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.91%). EPSS rose +1.46% 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-2005-4786

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 1.45% 2.91% +1.46%
2 2025-03-30 1.69% 1.45% -0.24%
3 2025-03-29 — 1.69% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-4786

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
4.0 2.0 MEDIUM
AV:N/AC:H/Au:N/C:P/I:P/A:N Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:H)
Exploitation requires uncommon or highly specific conditions.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:N)
No availability impact.
 4.9 4.9 [email protected]

Weakness enumeration for CVE-2005-4786

Affected software / configurations for CVE-2005-4786

Vendor Product Version Raw CPE
hauri hauri_livecall — cpe:2.3:a:hauri:hauri_livecall:*:*:*:*:*:*:*:*
hauri virobot advanced_server cpe:2.3:a:hauri:virobot:advanced_server:*:*:*:*:*:*:*
hauri virobot expert_4.0 cpe:2.3:a:hauri:virobot:expert_4.0:*:*:*:*:*:*:*
hauri virobot linux_server_2.0 cpe:2.3:a:hauri:virobot:linux_server_2.0:*:*:*:*:*:*:*
hauri vrazmain.dll 5.8.22.137 cpe:2.3:a:hauri:vrazmain.dll:5.8.22.137:*:*:*:*:*:*:*

References for CVE-2005-4786

cvelogic Threat Intelligence