← Vulnerability feed

Vulnerability record · CVE-2006-5553 · published 26 October 2006

CVE-2006-5553: Cisco security agent vulnerability

Cisco · Security Agent

Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.

7.8 CVSS 2.0 High EPSS 3.2% · top 12.5%
7.8CVSS 2.0 base score
3.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
14References
16 Jun 2026Last modified by NVD

Description

Cisco Security Agent (CSA) for Linux 4.5 before 4.5.1.657 and 5.0 before 5.0.0.193, as used by Unified CallManager (CUCM) and Unified Presence Server (CUPS), allows remote attackers to cause a denial of service (resource consumption) via a port scan with certain options.

AV:N/AC:L/Au:N/C:N/I:N/A:C

Affected products

3 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://secunia.com/advisories/22574
http://securitytracker.com/id?1017118
http://www.cisco.com/en/US/products/products_security_advisory09186a00807693c7.shtml PatchVendor Advisory
http://www.osvdb.org/30055
http://www.securityfocus.com/bid/20737 Patch
http://www.vupen.com/english/advisories/2006/4198
https://exchange.xforce.ibmcloud.com/vulnerabilities/29829
http://secunia.com/advisories/22574
http://securitytracker.com/id?1017118
http://www.cisco.com/en/US/products/products_security_advisory09186a00807693c7.shtml PatchVendor Advisory
http://www.osvdb.org/30055
http://www.securityfocus.com/bid/20737 Patch
http://www.vupen.com/english/advisories/2006/4198
https://exchange.xforce.ibmcloud.com/vulnerabilities/29829

Track CVE-2006-5553 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

10.0CVE-2011-1643Cisco unified communications manager information exposure vulnerabilityCisco Unified Communications Manager (aka CUCM, formerly CallManager) 6.x, 7.x before 7.1(5b)su4, 8.0, and 8.5 before 8.5(1)su2 and Cisco Unified Pre…EPSS 1.9%10.0CVE-2011-0364Cisco security agent code injection vulnerabilityThe Management Console (webagent.exe) in Cisco Security Agent 5.1, 5.2, and 6.0 before 6.0.2.145 allows remote attackers to create arbitrary files an…EPSS 20%10.0CVE-2008-0027Cisco Unified Communications Manager CTL Provider heap buffer overflowThe Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager and CallManager contains a heap-based buf…EPSS 57%analysed10.0CVE-2007-5580Cisco security agent memory buffer overflow vulnerabilityBuffer overflow in a certain driver in Cisco Security Agent 4.5.1 before 4.5.1.672, 5.0 before 5.0.0.225, 5.1 before 5.1.0.106, and 5.2 before 5.2.0.…EPSS 6.4%10.0CVE-2007-5538Cisco unified callmanager memory buffer overflow vulnerabilityBuffer overflow in the Centralized TFTP File Locator Service in Cisco Unified Communications Manager (CUCM, formerly CallManager) 5.1 before 5.1(3), …EPSS 5.5%10.0CVE-2006-5278Cisco unified callmanager vulnerabilityInteger overflow in the Real-Time Information Server (RIS) Data Collector service (RisDC.exe) in Cisco Unified Communications Manager (CUCM, formerly…EPSS 8.9%9.3CVE-2006-5277Cisco unified callmanager vulnerabilityOff-by-one error in the Certificate Trust List (CTL) Provider service (CTLProvider.exe) in Cisco Unified Communications Manager (CUCM, formerly CallM…EPSS 9.6%7.8CVE-2013-1137Cisco unified presence server memory buffer overflow vulnerabilityCisco Unified Presence Server (CUPS) 8.6, 9.0, and 9.1 before 9.1.1 allows remote attackers to cause a denial of service (CPU consumption) via crafte…EPSS 2.3%

Source: NIST National Vulnerability Database (record CVE-2006-5553), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.