Vulnerability · Published Sep 24, 2020 · Assigned by cisco
CVE-2020-3409Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability
High 7.4
In plain English
A high-severity improper input validation in Cisco IOS from Cisco. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 45% of all known vulnerabilities).
Official description
A vulnerability in the PROFINET feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, adjacent attacker to cause an affected device to crash and reload, resulting in a denial of service (DoS) condition on the device. The vulnerability is due to insufficient processing logic for crafted PROFINET packets that are sent to an affected device. An attacker could exploit this vulnerability by sending crafted PROFINET packets to an affected device for processing. A successful exploit could allow the attacker to cause the device to crash and reload, resulting in a DoS condition on the device.
Affected products (as reported)
Weakness: CWE-20 · Vector: CVSS:3.0/AV:A/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
References
- 20200924 Cisco IOS and IOS XE Software PROFINET Denial of Service Vulnerability vendor-advisory, x_refsource_CISCO