CVE-2005-2758

Integer signedness error in the administrative interface for Symantec AntiVirus Scan Engine 4.0 and 4.3 allows remote attackers to execute arbitrary code via crafted HTTP headers with negative values, which lead to a heap-based buffer overflow.

Published: 2005-10-05 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-2758 is rated High Risk (68.6/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.44%, 96th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize 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-2005-2758

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 23.97% 13.44% -10.54%
2 2025-12-31 22.57% 23.97% +1.40%
3 2025-04-20 22.57%

Full EPSS history (12 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-2758

CVSS metrics for this CVE.

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

Weakness enumeration for CVE-2005-2758

Affected software / configurations for CVE-2005-2758

Vendor Product Version Raw CPE
symantec antivirus_scan_engine 4.0 cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:*:*:*:*:*:*
symantec antivirus_scan_engine 4.0 cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:bluecoat:*:*:*:*:*
symantec antivirus_scan_engine 4.0 cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:clearswift:*:*:*:*:*
symantec antivirus_scan_engine 4.0 cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:netapp_filer:*:*:*:*:*
symantec antivirus_scan_engine 4.0 cpe:2.3:a:symantec:antivirus_scan_engine:4.0:*:netapp_netcache:*:*:*:*:*
symantec antivirus_scan_engine 4.3 cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:*:*:*:*:*:*
symantec antivirus_scan_engine 4.3 cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:caching:*:*:*:*:*
symantec antivirus_scan_engine 4.3 cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:clearswift:*:*:*:*:*
symantec antivirus_scan_engine 4.3 cpe:2.3:a:symantec:antivirus_scan_engine:4.3:*:microsoft_sharepoint:*:*:*:*:*
symantec antivirus_scan_engine_for_network_attached_storage 4.3 cpe:2.3:a:symantec:antivirus_scan_engine_for_network_attached_storage:4.3:*:*:*:*:*:*:*

References for CVE-2005-2758

cvelogic Threat Intelligence