CVE-2022-0823 Information disclosure in Zyxel GS1200 series firmware
A local attacker can guess passwords via a timing side-channel attack on Zyxel GS1200 series switches.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-0823?
CVE-2022-0823 is a medium-severity vulnerability in Zyxel GS1200 series firmware, published on 7 Jun 2022. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An improper control of interaction frequency vulnerability in Zyxel GS1200 series switches could allow a local attacker to guess the password by using a timing side-channel attack.
Weakness: CWE-203
Which versions are affected by CVE-2022-0823?
It affects 4 products.
Products include Zyxel Gs1200-5 Firmware, Zyxel Gs1200-5hp Firmware, Zyxel Gs1200-8 Firmware, Zyxel Gs1200-8hp Firmware.
How do I fix CVE-2022-0823?
No fix has been published for CVE-2022-0823 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-0823 being exploited?
There is no known exploitation of CVE-2022-0823 in the wild and no public exploit code.
Sources
Also known as GHSA-qvxh-3pw2-32v5.