SB2016101210 - Security restrictions bypass in Cisco IOS
Published: October 12, 2016 Updated: April 5, 2018
Security Bulletin ID
SB2016101210
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2016-6438)
The vulnerability allows a remote unauthenticated user to cause a configuration integrity change on the target device.The vulnerability is due to a logic processing error. As the affected device is configured with the Downstream Resiliency and Downstream Resiliency Bonding Group features attackers can establish Telnet or SSH connections and trigger an integrity issue with the vty line configuration.
Successful exploitation of the vulnerability will result in a configuration integrity change to the vty line configuration.
Remediation
Install update from vendor's website.