CVE-2024-20393 Cisco RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers Privilege Escalation Vulnerability

High 8.8 Published 2 Oct 2024 Updated 2 Oct 2024

An authenticated remote attacker can elevate privileges from guest to admin on Cisco RV340/RV345 routers via the web management interface.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2024-20393?

CVE-2024-20393 is a high-severity vulnerability in Cisco Small Business RV Series Router Firmware, published on 2 Oct 2024. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A vulnerability in the web-based management interface of Cisco Small Business RV340, RV340W, RV345, and RV345P Dual WAN Gigabit VPN Routers could allow an authenticated, remote attacker to elevate privileges on an affected device. This vulnerability exists because the web-based management interface discloses sensitive information. An attacker could exploit this vulnerability by sending crafted HTTP input to an affected device. A successful exploit could allow an attacker to elevate privileges from guest to admin.

Weakness: CWE-285

Which versions are affected by CVE-2024-20393?

It affects 4 products.

Products include Cisco Rv340 Dual Wan Gigabit Vpn Router Firmware, Cisco Rv340w Dual Wan Gigabit Wireless-Ac Vpn Router Firmware, Cisco Rv345 Dual Wan Gigabit Vpn Router Firmware, Cisco Rv345p Dual Wan Gigabit Poe Vpn Router Firmware.

How do I fix CVE-2024-20393?

No fix has been published for CVE-2024-20393 yet. Limit exposure of the affected software until one is available.

Is CVE-2024-20393 being exploited?

There is no known exploitation of CVE-2024-20393 in the wild and no public exploit code.

Sources

Also known as GHSA-95px-w8x3-2w55.