Improper Authentication in Cisco Systems, Inc products - CVE-2022-20705

 

Improper Authentication in Cisco Systems, Inc products - CVE-2022-20705

Published: February 2, 2022 / Updated: February 15, 2023


Vulnerability identifier: #VU60252
CSH Severity: High
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Amber
CVE-ID: CVE-2022-20705
CWE-ID: CWE-287
Exploitation vector: Remote access
Exploit availability: Public exploit is available
Vendor: Cisco Systems, Inc
Affected software:
Cisco RV340 Dual WAN Gigabit VPN Router
Cisco RV340W Dual WAN Gigabit Wireless-AC VPN Router
Cisco RV345 Dual WAN Gigabit VPN Router
Cisco RV345P Dual WAN Gigabit VPN Router

Detailed vulnerability description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the session management of the web UI. A remote non-authenticated attacker can brute force to determine a current session identifier and then reuse it to take over an ongoing session or by crafting a new, valid session identifier and bypassing the whole authentication mechanism.

Successful exploitation of the vulnerability may allow an attacker to compromise the affected device.

How to mitigate CVE-2022-20705

Install updates from vendor's website.

Sources