SB2020082106 - Denial of service in Cisco Small Business Smart and Managed Switches
Published: August 21, 2020
Security Bulletin ID
SB2020082106
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Input validation error (CVE-ID: CVE-2020-3496)
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 when processing IPv6 packets. A remote attacker can pass specially crafted IPv6 traffic to the device and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.