CVE-2011-0943 Denial of service in n/a
Remote attackers can cause a denial of service by sending a crafted IPv4 packet to Cisco IOS XR 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-2011-0943?
CVE-2011-0943 is a high-severity denial of service vulnerability in Cisco Ios Xr, published on 31 May 2011. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Cisco IOS XR 3.8.3, 3.8.4, and 3.9.1 allows remote attackers to cause a denial of service (NetIO process restart or device reload) via a crafted IPv4 packet, aka Bug ID CSCth44147.
Weakness: CWE-399
Which versions are affected by CVE-2011-0943?
It affects 1 product.
Products include Cisco Ios Xr.
How do I fix CVE-2011-0943?
No fix has been published for CVE-2011-0943 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-2011-0943 being exploited?
There is no known exploitation of CVE-2011-0943 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-ffvc-g9gh-g33r.