CVE-2011-3295 Denial of service in n/a
Remote attackers can cause a denial of service via crafted network traffic in Cisco IOS XR processes, affecting carrier routing systems.
- 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-2011-3295?
CVE-2011-3295 is a high-severity denial of service vulnerability in Cisco Ios Xr, published on 2 May 2012. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The NETIO and IPV4_IO processes in Cisco IOS XR 3.8 through 4.1, as used in Cisco Carrier Routing System and other products, allow remote attackers to cause a denial of service (CPU consumption) via crafted network traffic, aka Bug ID CSCti59888.
Weakness: CWE-20
Which versions are affected by CVE-2011-3295?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2011-3295?
No fix has been published for CVE-2011-3295 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-2011-3295 being exploited?
There is no known exploitation of CVE-2011-3295 in the wild and no public exploit code.
Other vulnerabilities in Cisco Ios Xr
- CVE-2020-3118 Cisco IOS XR Software Discovery Protocol Format String
- CVE-2020-3569 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2020-3566 Cisco IOS XR Software DVMRP Memory Exhaustion
- CVE-2010-3035 Cisco IOS XR Border Gateway Protocol (BGP) Denial-of-Service
- CVE-2022-20821 Cisco IOS XR Open Port
Sources
Also known as GHSA-97q3-6fvf-c4mg.