CVE-2011-0939 Denial of service in n/a
Remote attackers can cause a denial of service via a crafted SIP message, requiring network administrators to patch Cisco IOS devices.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2011-0939?
CVE-2011-0939 is a high-severity denial of service vulnerability in Cisco Ios, published on 3 Oct 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unspecified vulnerability in Cisco IOS 12.4, 15.0, and 15.1, and IOS XE 2.5.x through 3.2.x, allows remote attackers to cause a denial of service (device reload) via a crafted SIP message, aka Bug ID CSCth03022.
Which versions are affected by CVE-2011-0939?
It affects 2 products.
Products include Cisco Ios, Cisco Ios Xe.
How do I fix CVE-2011-0939?
No fix has been published for CVE-2011-0939 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2011-0939 being exploited?
There is no known exploitation of CVE-2011-0939 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios
- CVE-2017-12240 Cisco IOS and IOS XE Software DHCP Remote Code Execution
- CVE-2017-3881 Cisco IOS and IOS XE Remote Code Execution
- CVE-2018-0167 Cisco IOS, XR, and XE Software Buffer Overflow
- CVE-2017-6736 Cisco IOS and IOS XE Software SNMP Remote Code Execution
- CVE-2017-6737 Cisco IOS and IOS XE Software SNMP Remote Code Execution
Sources
Also known as GHSA-22pg-r6fg-6256.