CVE-2009-0627 Denial of service in n/a
Remote attackers can crash Cisco Nexus 5000 switches by sending a specific sequence of TCP packets, causing a denial of service.
- 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-2009-0627?
CVE-2009-0627 is a high-severity denial of service vulnerability in Cisco Nx-Os, published on 8 Sep 2009. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unspecified vulnerability in Cisco NX-OS before 4.0(1a)N2(1), when running on Nexus 5000 platforms, allows remote attackers to cause a denial of service (crash) via an unspecified "sequence of TCP packets" related to "TCP State manipulation," possibly related to separate attacks against CVE-2008-4609.
Which versions are affected by CVE-2009-0627?
It affects 3 products.
Products include Cisco Nexus 5000, Cisco Nexus 7000, Cisco Nx-Os.
How do I fix CVE-2009-0627?
No fix has been published for CVE-2009-0627 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-2009-0627 being exploited?
There is no known exploitation of CVE-2009-0627 in the wild and no public exploit code.
Other vulnerabilities in Cisco Nx-Os
Sources
Also known as GHSA-jwpp-857g-6hpg.