CVE-2022-20923 Cisco Small Business RV110W, RV130, RV130W, and RV215W Routers IPSec VPN Server Authentication Bypass Vulnerability
Unauthenticated remote attackers can bypass IPSec VPN authentication on Cisco Small Business Routers to gain administrative-level network access.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-20923?
CVE-2022-20923 is a medium-severity authentication bypass vulnerability in Cisco Rv110w Firmware, published on 8 Sep 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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. 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. Cisco has not released software updates that address this vulnerability.
Which versions are affected by CVE-2022-20923?
It affects 4 products.
Products include Cisco Rv110w Firmware, Cisco Rv130 Firmware, Cisco Rv130w Firmware, Cisco Rv215w Firmware.
How do I fix CVE-2022-20923?
No fix has been published for CVE-2022-20923 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2022-20923 being exploited?
There is no known exploitation of CVE-2022-20923 in the wild and no public exploit code.
Other vulnerabilities in Cisco Rv110w Firmware
- CVE-2022-20825 Command injection in Cisco Small Business RV Series Router Firmware
- CVE-2021-1459 Command injection in Cisco Small Business RV Series Router Firmware
- CVE-2020-3144 Cisco RV110W, RV130, RV130W, and RV215W Routers Authentication Bypass Vulnerability
- CVE-2019-1663 Cisco RV110W, RV130W, and RV215W Routers Management Interface Remote Command Execution Vulnerability
- CVE-2018-0425 Cisco RV110W, RV130W, and RV215W Routers Management Interface Information Disclosure Vulnerability
Sources
Also known as GHSA-q55q-mwv4-x93q.