CVE-2011-2577: High severity cisco telepresence codec c40 firmware vulnerability

Published Aug 31, 2011
·
Updated

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.

Affected Software

19 affected components
Cisco Telepresence Codec C40
Cisco Telepresence Codec C60
Cisco Telepresence Codec C90
Cisco Telepresence Ex60
Cisco Telepresence Ex90
Cisco Telepresence C Series Software<=tc3.1.4
Cisco Telepresence C Series Software=tc3.0.0
Cisco Telepresence C Series Software=tc3.1.0
Cisco Telepresence C Series Software=tc3.1.1
Cisco Telepresence C Series Software=tc3.1.2
Cisco Telepresence C Series Software=tc3.1.3
Cisco Telepresence 6000 Mxp
Cisco Telepresence 9000 Mxp
Cisco Telepresence Mxp Software=f8.2
Cisco Telepresence Mxp Software=f9.0
Cisco Telepresence Mxp Software=f9.0.1
Cisco Telepresence Mxp Software=f9.0.2
Cisco Telepresence E20
Cisco Telepresence E20 Software=te2.2.1

Event History

Aug 31, 2011
CVE Published
via MITRE·11:00 PM
Data Sourced
via MITRE·11:00 PM
Description
Data Sourced
11:55 PM
DescriptionWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2011-2577?

CVE-2011-2577 is classified as a denial of service vulnerability that may cause affected Cisco devices to crash.

2

How do I fix CVE-2011-2577?

To fix CVE-2011-2577, upgrade affected Cisco TelePresence devices to TC version 4.0.0 or later or F9.1 or later.

3

What devices are affected by CVE-2011-2577?

CVE-2011-2577 affects various Cisco TelePresence C Series Endpoints, E/EX Personal Video units, and MXP Series Codecs running vulnerable software versions.

4

What type of attack does CVE-2011-2577 represent?

CVE-2011-2577 represents a remote denial of service attack via crafted SIP packets sent to specific ports.

5

Can CVE-2011-2577 be exploited remotely?

Yes, CVE-2011-2577 can be exploited remotely, allowing attackers to crash the affected devices.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203