CVE-2006-3594

Buffer overflow in Cisco Unified CallManager (CUCM) 5.0(1) through 5.0(3a) allows remote attackers to execute arbitrary code via a long hostname in a SIP request, aka bug CSCsd96542.

Published: 2006-07-18 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2006-3594 is rated Moderate Risk (58.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.54%). 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-2006-3594

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 5.42% 3.54% -1.88%
2 2025-03-30 4.19% 5.42% +1.23%
3 2025-03-29 — 4.19% —

Full EPSS history (8 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3594

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-2006-3594

Affected software / configurations for CVE-2006-3594

Vendor Product Version Raw CPE
cisco unified_callmanager 5.0\(1\) cpe:2.3:a:cisco:unified_callmanager:5.0\(1\):*:*:*:*:*:*:*
cisco unified_callmanager 5.0\(2\) cpe:2.3:a:cisco:unified_callmanager:5.0\(2\):*:*:*:*:*:*:*
cisco unified_callmanager 5.0\(3\) cpe:2.3:a:cisco:unified_callmanager:5.0\(3\):*:*:*:*:*:*:*
cisco unified_callmanager 5.0\(3a\) cpe:2.3:a:cisco:unified_callmanager:5.0\(3a\):*:*:*:*:*:*:*

References for CVE-2006-3594

cvelogic Threat Intelligence