Vulnerability Monitor

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CVE-2011-2577

Unspecified vulnerability in Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs, when using software versions before TC 4.0.0 or F9.1, allows remote attackers to cause a denial of service (crash) via a crafted SIP packet to port 5060 or 5061, aka Bug ID CSCtq46500.

Security Impact Summary

CVE-2011-2577 is a security vulnerability that . Impacting 11 products from cisco, from cisco, from cisco and 8 others, organizations running these solutions should prioritize assessment and patching.

Historical Context

Documented in 2011, this vulnerability occurred amid the cloud computing expansion era, where traditional network perimeter security models were being reevaluated. Organizations were transitioning from isolated infrastructure to interconnected systems, creating new attack surfaces that vulnerabilities like this could exploit.

Published

2011-08-31T23:55:03.300

Last Modified

2025-04-11T00:51:21.963

Status

Deferred

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: COMPLETE

Exploitability Score

10.0

Impact Score

6.9

Weaknesses

Type: Primary
NVD-CWE-noinfo

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Hardware	cisco	telepresence_codec_c40	*	Yes
Hardware	cisco	telepresence_codec_c60	*	Yes
Hardware	cisco	telepresence_codec_c90	*	Yes
Hardware	cisco	telepresence_ex60	*	Yes
Hardware	cisco	telepresence_ex90	*	Yes
Application	cisco	telepresence_c_series_software	≤ tc3.1.4	Yes
Application	cisco	telepresence_c_series_software	tc3.0.0	Yes
Application	cisco	telepresence_c_series_software	tc3.1.0	Yes
Application	cisco	telepresence_c_series_software	tc3.1.1	Yes
Application	cisco	telepresence_c_series_software	tc3.1.2	Yes
Application	cisco	telepresence_c_series_software	tc3.1.3	Yes
Hardware	cisco	telepresence_6000_mxp	*	Yes
Hardware	cisco	telepresence_9000_mxp	*	Yes
Application	cisco	telepresence_mxp_software	f8.2	Yes
Application	cisco	telepresence_mxp_software	f9.0	Yes
Application	cisco	telepresence_mxp_software	f9.0.1	Yes
Application	cisco	telepresence_mxp_software	f9.0.2	Yes
Hardware	cisco	telepresence_e20	*	Yes
Application	cisco	telepresence_e20_software	te2.2.1	Yes

References

http://securityreason.com/securityalert/8387 ([email protected])
http://securityreason.com/securityalert/8389 ([email protected])
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b91395.shtml Vendor Advisory ([email protected])
http://www.exploit-db.com/exploits/17871 Exploit ([email protected])
http://www.securityfocus.com/archive/1/519698/100/0/threaded ([email protected])
http://www.securityfocus.com/bid/49392 ([email protected])
http://www.securitytracker.com/id?1025994 ([email protected])
https://exchange.xforce.ibmcloud.com/vulnerabilities/69513 ([email protected])
http://securityreason.com/securityalert/8387 (af854a3a-2127-422b-91ae-364da2661108)
http://securityreason.com/securityalert/8389 (af854a3a-2127-422b-91ae-364da2661108)
http://www.cisco.com/en/US/products/products_security_advisory09186a0080b91395.shtml Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
http://www.exploit-db.com/exploits/17871 Exploit (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/archive/1/519698/100/0/threaded (af854a3a-2127-422b-91ae-364da2661108)
http://www.securityfocus.com/bid/49392 (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id?1025994 (af854a3a-2127-422b-91ae-364da2661108)
https://exchange.xforce.ibmcloud.com/vulnerabilities/69513 (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For cisco's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.