CVE-2018-0137 Denial of service in Cisco Prime Network
Unauthenticated remote attackers can cause denial of service on Cisco Prime Network by flooding TCP SYN packets, exhausting memory and blocking new connections.
- 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-2018-0137?
CVE-2018-0137 is a high-severity denial of service vulnerability in Cisco Prime Network, published on 8 Feb 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the TCP throttling process of Cisco Prime Network could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to insufficient rate limiting protection for TCP listening ports. An attacker could exploit this vulnerability by sending the affected device a high rate of TCP SYN packets to the local IP address of the targeted application. A successful exploit could allow the attacker to cause the device to consume a high amount of memory and become slow, or to stop accepting new TCP connections to the application. Cisco Bug IDs: CSCvg48152.
Which versions are affected by CVE-2018-0137?
It affects 1 product.
Products include Cisco Prime Network.
How do I fix CVE-2018-0137?
No fix has been published for CVE-2018-0137 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-2018-0137 being exploited?
There is no known exploitation of CVE-2018-0137 in the wild and no public exploit code.
Other vulnerabilities in Cisco Prime Network
Sources
Also known as GHSA-8246-87gc-pmxf.