CVE-2021-1460: Cisco IOx Application Framework Denial of Service Vulnerability
First published: Wed Mar 24 2021(Updated: )
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.
Credit: ykramarz@cisco.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Cisco IOS | <15.9\(3\)m3 | |
| Cisco 809 Industrial Integrated Services Router Firmware | ||
| Cisco 829 Industrial Integrated Services Router Firmware | ||
| Cisco CGR 1000 Firmware | <1.12.0.3 | |
| Cisco CGR 1000 Firmware | ||
| Cisco IC3000 Industrial Compute Gateway firmware | <1.3.2 | |
| Cisco IC3000 Industrial Compute Gateway firmware |
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Reference Links
Frequently Asked Questions
What is the vulnerability ID of this Cisco IOx Application Framework vulnerability?
The vulnerability ID is CVE-2021-1460.
What is the severity of CVE-2021-1460?
The severity of CVE-2021-1460 is high with a CVSS score of 7.5.
Which software products are affected by CVE-2021-1460?
Cisco IOS, Cisco CGR1000 Firmware, and Cisco IC3000 Industrial Compute Gateway Firmware are affected by CVE-2021-1460.
How can an attacker exploit CVE-2021-1460?
An unauthenticated remote attacker can exploit CVE-2021-1460 to cause a denial of service.
Where can I find more information about CVE-2021-1460?
You can find more information about CVE-2021-1460 at the Cisco Security Advisory: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-iox-dos-4Fgcjh6
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