CVE-2022-45853 Privilege escalation in GS1900-8 firmware
An authenticated local administrator can execute system commands as root via SSH on Zyxel GS1900 switches, leading to full device compromise.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-45853?
CVE-2022-45853 is a medium-severity vulnerability in Zyxel GS1900-8 firmware, published on 30 May 2023. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
The privilege escalation vulnerability in the Zyxel GS1900-8 firmware version
V2.70(AAHH.3) and the GS1900-8HP firmware version V2.70(AAHI.3) could allow an authenticated, local attacker with administrator privileges to execute some system commands as 'root' on a vulnerable device via SSH.
Which versions are affected by CVE-2022-45853?
It affects 10 products.
Products include Zyxel Gs1900-10hp Firmware, Zyxel Gs1900-16 Firmware, Zyxel Gs1900-24 Firmware, Zyxel Gs1900-24e Firmware, Zyxel Gs1900-24ep Firmware, Zyxel Gs1900-24hpv2 Firmware and 4 more.
How do I fix CVE-2022-45853?
No fix has been published for CVE-2022-45853 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-45853 being exploited?
There is no known exploitation of CVE-2022-45853 in the wild and no public exploit code.