SB2021050711 - Privilege escalation in Cisco RV340, RV340W, RV345 and RV345P Dual WAN Gigabit VPN Routers
Published: May 7, 2021
Security Bulletin ID
SB2021050711
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-1520)
CWE-ID: CWE-264 - Permissions, Privileges, and Access Controls
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to an internal messaging service does not properly sanitize input. A local administrator can run arbitrary commands with root privileges on the underlying OS.
Remediation
Install update from vendor's website.