CVE-2020-29299 Command injection in n/a
An admin can execute arbitrary commands via the password change interface in various Zyxel network devices.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-29299?
CVE-2020-29299 is a high-severity command injection vulnerability in n/a, published on 27 Dec 2020. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Certain Zyxel products allow command injection by an admin via an input string to chg_exp_pwd during a password-change action. This affects VPN On-premise before ZLD V4.39 week38, VPN Orchestrator before SD-OS V10.03 week32, USG before ZLD V4.39 week38, USG FLEX before ZLD V4.55 week38, ATP before ZLD V4.55 week38, and NSG before 1.33 patch 4.
Weakness: CWE-77
Which versions are affected by CVE-2020-29299?
It affects 4 products.
Products include Zyxel Nsg Firmware, Zyxel Usg Flex Firmware, Zyxel Vpn Orchestrator, Zyxel Zld.
How do I fix CVE-2020-29299?
No fix has been published for CVE-2020-29299 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2020-29299 being exploited?
There is no known exploitation of CVE-2020-29299 in the wild and no public exploit code.
Sources
Also known as GHSA-g8hw-8grv-27jh.