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Vulnerability record · CVE-2011-2543 · published 23 September 2011

CVE-2011-2543: Cisco telepresence codec c40 memory buffer overflow vulnerability

Cisco · Telepresence Codec C40

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.

9.0 CVSS 2.0 High EPSS 12% · top 4.1% CWE-119 · Memory buffer overflow
9.0CVSS 2.0 base score
12%EPSS exploitation probability, 30 days
NoNot in CISA KEV
4Affected product versions listed by NVD
16References, 4 tagged exploit
16 Jun 2026Last modified by NVD

Description

Buffer overflow in the cuil component in Cisco Telepresence System Integrator C Series 4.x before TC4.2.0 allows remote authenticated users to cause a denial of service (endpoint reboot or process crash) or possibly execute arbitrary code via a long location parameter to the getxml program, aka Bug ID CSCtq46496.

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

Affected products

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

References

LinkTags
http://secunia.com/advisories/46057 Vendor Advisory
http://secunia.com/advisories/46109 Vendor Advisory
http://securityreason.com/securityalert/8393
http://securitytracker.com/id?1026072 Exploit
http://www.exploit-db.com/exploits/17871 Exploit
http://www.securityfocus.com/archive/1/519698/100/0/threaded
http://www.securityfocus.com/bid/49670
https://exchange.xforce.ibmcloud.com/vulnerabilities/69907
http://secunia.com/advisories/46057 Vendor Advisory
http://secunia.com/advisories/46109 Vendor Advisory
http://securityreason.com/securityalert/8393
http://securitytracker.com/id?1026072 Exploit
http://www.exploit-db.com/exploits/17871 Exploit
http://www.securityfocus.com/archive/1/519698/100/0/threaded
http://www.securityfocus.com/bid/49670
https://exchange.xforce.ibmcloud.com/vulnerabilities/69907

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Related vulnerabilities

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

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Source: NIST National Vulnerability Database (record CVE-2011-2543), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.