SB2020100109 - Denial of service in Cisco IOS XE Software
Published: October 1, 2020
Security Bulletin ID
SB2020100109
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) State Issues (CVE-ID: CVE-2020-3422)
The vulnerability allows a remote attacker to perofrm a denial of service (DoS) attack.
The vulnerability exists due to the IP Service Level Agreement (SLA) responder feature could consume a port that could be used by another feature. A remote attacker can send specific IP SLA control packets and cause an in-use port to be consumed by the IP SLA responder, resulting in a denial of service condition.
Remediation
Install update from vendor's website.