CVE-2023-5650 Privilege escalation in USG20(W)-VPN series firmware
An authenticated local attacker can exploit improper privilege management in Zyxel firewall firmware to modify the web GUI registration page URL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-5650?
CVE-2023-5650 is a medium-severity vulnerability in Zyxel USG20(W)-VPN series firmware, published on 28 Nov 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper privilege management vulnerability in the ZySH of the Zyxel ATP series firmware versions 4.32 through 5.37, USG FLEX series firmware versions 4.50 through 5.37, USG FLEX 50(W) series firmware versions 4.16 through 5.37, USG20(W)-VPN series firmware versions 4.16 through 5.37, and VPN series firmware versions 4.30 through 5.37, could allow an authenticated local attacker to modify the URL of the registration page in the web GUI of an affected device.
Weakness: CWE-269
Which versions are affected by CVE-2023-5650?
It affects 1 product.
Products include Zyxel Zld.
How do I fix CVE-2023-5650?
No fix has been published for CVE-2023-5650 yet. Limit exposure of the affected software until one is available.
Is CVE-2023-5650 being exploited?
There is no known exploitation of CVE-2023-5650 in the wild and no public exploit code.
Other vulnerabilities in Zyxel USG20(W)-VPN series firmware
Sources
Also known as GHSA-2fmp-mw85-gxqw.