CVE-2011-2577
Public exploit available. Not confirmed exploited in the wild yet. A vendor fix is available.
What to do
The vendor has published a fix. Version details are below where the sources state them.
What it is
From the CVE record
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.
In plain language
No plain-language summary for this CVE yet.
Exploitation
Where each signal puts this CVE on the scale from published to confirmed exploited.
- CISA KEV
Not in the catalog. CISA has not confirmed exploitation.
- Public exploits
1 source with a proof of concept or module.
Exploit links, PoCs and Metasploit modules after sign-in- EPSS
13% chance of exploitation activity in the next 30 days, which ranks it in the 96th percentile of scored CVEs.
Exploit Prediction Scoring System, FIRST.org. A probability, not a confirmation.
Lifecycle
A public exploit existed 53 days before the patch.
- EPSS band changelow → moderate
- Patch availablerecord updated
- Public exploit / PoCsource: exploit-db
- Publishedweakness classified
Affected products
- telepresence codec c40Networking Infrastructure
- telepresence codec c60Networking Infrastructure
- telepresence codec c90Networking Infrastructure
- telepresence ex60Networking Infrastructure
- telepresence ex90Networking Infrastructure
- telepresence c series softwareNetworking Infrastructure
- telepresence 6000 mxpNetworking Infrastructure
- telepresence 9000 mxpNetworking Infrastructure
And 4 more affected products. See all after sign-in
Technical detail
CVSS 2.0 vector
Open in the CVSS calculatorAV:N/AC:L/Au:N/C:N/I:N/A:C
Scored 7.8 by NVD.
How it is reached
- Access Vector NetworkExploitable remotely over the network
- Access Complexity LowNo special conditions required
- Authentication NoneNo authentication required
Impact if exploited
- Confidentiality NoneNo confidentiality impact
- Integrity NoneNo integrity impact
- Availability CompleteTotal shutdown of the affected resource
Weaknesses
Sources
References in the record
- securityreason.com/securityalert/8387
- securityreason.com/securityalert/8389
- cisco.com/en/US/products/products_security_advisory09186a0080b91395.shtml
And 5 more references. See all after sign-in
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