CVE-2005-3654

Blue Coat Systems Inc. WinProxy before 6.1a allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a large number of packets with 0xFF characters to the Telnet port (TCP 23), which corrupts the heap.

Published: 2005-12-31 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2005-3654 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.31%). 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-2005-3654

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 2026-06-25 3.23% 3.31% +0.08%
2 2026-06-15 3.29% 3.23% -0.05%
3 2025-03-17 3.29%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2005-3654

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-2005-3654

Affected software / configurations for CVE-2005-3654

Vendor Product Version Raw CPE
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1a:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1b:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1c:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1e:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1f:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1h:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1k:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1m:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1n:*:*:*:*:*:*
bluecoat webproxy 4.0 cpe:2.3:a:bluecoat:webproxy:4.0:r1p:*:*:*:*:*:*
bluecoat webproxy 5.0 cpe:2.3:a:bluecoat:webproxy:5.0:r1a:*:*:*:*:*:*
bluecoat webproxy 5.0 cpe:2.3:a:bluecoat:webproxy:5.0:r1b:*:*:*:*:*:*
bluecoat webproxy 5.0 cpe:2.3:a:bluecoat:webproxy:5.0:r1c:*:*:*:*:*:*
bluecoat webproxy 5.1 cpe:2.3:a:bluecoat:webproxy:5.1:r1a:*:*:*:*:*:*
bluecoat webproxy 5.1 cpe:2.3:a:bluecoat:webproxy:5.1:r1d:*:*:*:*:*:*
bluecoat webproxy 5.1 cpe:2.3:a:bluecoat:webproxy:5.1:r1e:*:*:*:*:*:*
bluecoat webproxy 5.2 cpe:2.3:a:bluecoat:webproxy:5.2:r1a:*:*:*:*:*:*
bluecoat webproxy 6.0 cpe:2.3:a:bluecoat:webproxy:6.0:r1a:*:*:*:*:*:*
bluecoat webproxy 6.0 cpe:2.3:a:bluecoat:webproxy:6.0:r1c:*:*:*:*:*:*

References for CVE-2005-3654

cvelogic Threat Intelligence