SB2018062115 - Privilege escalation in Cisco WebEx Room
Published: June 21, 2018 Updated: January 4, 2026
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2018-6242)
The vulnerability allows a physical attacker to gain elevated privileges on the target system.
The vulnerability exists due to a buffer overflow vulnerability in NVIDIA TX1 BootROM when Recovery Mode (RCM) is active. A physical attacker can bypass secure boot and execute unverified code with elevated privileges.
Remediation
Install update from vendor's website.