CVE-2011-4019: Medium severity cisco ios vulnerability
Memory leak in Cisco IOS 12.4 and 15.0 through 15.2, and Cisco Unified Communications Manager (CUCM) 7.x, allows remote attackers to cause a denial of service (memory consumption) via a crafted response to a SIP SUBSCRIBE message, aka Bug IDs CSCto93837 and CSCtj61883.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2011-4019?
CVE-2011-4019 is classified as a high severity vulnerability due to its potential to cause a denial of service.
How do I fix CVE-2011-4019?
To fix CVE-2011-4019, upgrade the affected Cisco IOS or Unified Communications Manager to a version that is not vulnerable.
What systems are affected by CVE-2011-4019?
CVE-2011-4019 affects Cisco IOS versions 12.4, 15.0, 15.1, and 15.2 as well as Cisco Unified Communications Manager 7.x.
What type of attack does CVE-2011-4019 allow?
CVE-2011-4019 allows remote attackers to craft responses to SIP SUBSCRIBE messages leading to memory consumption and potential service disruption.
Is there a workaround for CVE-2011-4019?
There are no specific workarounds for CVE-2011-4019, and updating to a secure version is the recommended approach.