SB2020072116 - Multiple vulnerabilities in Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers
Published: July 21, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Input validation error (CVE-ID: CVE-2020-3357)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to insufficient validation of user-supplied input in the Secure Sockets Layer (SSL) VPN feature. A remote attacker can send a specially crafted HTTP request and execute arbitrary code on the target device or cause the device to reload, resulting in a denial of service (DoS) condition.
2) Input validation error (CVE-ID: CVE-2020-3358)
CWE-ID: CWE-20 - Improper input validation
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input in the Secure Sockets Layer (SSL) VPN feature. A remote attacker can send a specially crafted HTTP request and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.