QID 730609

Date Published: 2022-09-08

QID 730609: Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers IPSec Virtual Private Network (VPN) Server Authentication Bypass Vulnerability (cisco-sa-sb-rv-vpnbypass-Cpheup9O) (Zero Day)

A vulnerability in the IPSec VPN Server authentication functionality of Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers could allow an unauthenticated, remote attacker to bypass authentication controls and access the IPSec VPN network.
This vulnerability is due to the improper implementation of the password validation algorithm. A device is only vulnerable if IPSec VPN Server feature is enabled

Affected Products:
RV110W Wireless-N VPN Firewall
RV130 VPN Router
RV130W Wireless-N Multifunction VPN Router
RV215W Wireless-N VPN Router

QID Detection Logic (Unauthenticated):
This QID checks for affected products by sending a HTTP GET request to '/' endpoint.

An attacker could exploit this vulnerability by logging in to the VPN from an affected device with crafted credentials. A successful exploit could allow the attacker to bypass authentication and access the IPSec VPN network. The attacker may obtain privileges that are the same level as an administrative user, depending on the crafted credentials that are used.

CVSS V3 rated as Critical - 9.8 severity.

CVSS V2 rated as Low - 2.6 severity.

Solution

All the affected products have reached end of life, Cisco will not be releasing patches to address the vulnerability. For more information pertaining to the vulnerability please refer to cisco-sa-sb-rv-vpnbypass-Cpheup9O

Vendor References

cisco-sa-sb-rv-vpnbypass-Cpheup9O - tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-vpnbypass-Cpheup9O

CVEs related to QID 730609

CVE-2022-20923 |

Software Advisories

Advisory ID	Software	Component	Link

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