SB2020093096 - Denial of service in Cisco IOS XE Software Web UI
Published: September 30, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-3516)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input during authentication. A remote authenticated attacker can enter unexpected characters during a valid authentication and crash the web server on the device.
Remediation
Install update from vendor's website.