CVE-2021-1460 Cisco IOx Application Framework Denial of Service Vulnerability
Unauthenticated remote attackers can cause a denial of service on Cisco IOx devices by sending crafted TCP traffic to the web server.
- 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-2021-1460?
CVE-2021-1460 is a medium-severity denial of service vulnerability in Cisco Ios, published on 24 Mar 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A vulnerability in the Cisco IOx Application Framework of Cisco 809 Industrial Integrated Services Routers (Industrial ISRs), Cisco 829 Industrial ISRs, Cisco CGR 1000 Compute Module, and Cisco IC3000 Industrial Compute Gateway could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to insufficient error handling during packet processing. An attacker could exploit this vulnerability by sending a high and sustained rate of crafted TCP traffic to the IOx web server on an affected device. A successful exploit could allow the attacker to cause the IOx web server to stop processing requests, resulting in a DoS condition.
Weakness: CWE-400
Which versions are affected by CVE-2021-1460?
It affects 3 products.
Products include Cisco Cgr1000 Firmware, Cisco Ic3000 Industrial Compute Gateway Firmware, Cisco Ios.
How do I fix CVE-2021-1460?
No fix has been published for CVE-2021-1460 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-2021-1460 being exploited?
There is no known exploitation of CVE-2021-1460 in the wild and no public exploit code.
Sources
Also known as GHSA-phf8-xfvh-mfwq.