SB2018062115 - Privilege escalation in Cisco WebEx Room



SB2018062115 - Privilege escalation in Cisco WebEx Room

Published: June 21, 2018 Updated: January 4, 2026

Security Bulletin ID SB2018062115
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Physical access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • 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.