CVE-2021-21876 Command injection in Lantronix
Authenticated attackers can execute arbitrary commands on Lantronix devices via specially crafted HTTP PUT requests.
- 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-2021-21876?
CVE-2021-21876 is a critical command injection vulnerability in Lantronix, published on 22 Dec 2021. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
Specially-crafted HTTP requests can lead to arbitrary command execution in PUT requests. An attacker can make authenticated HTTP requests to trigger this vulnerability.
Weakness: CWE-78
Which versions are affected by CVE-2021-21876?
It affects 1 product.
Products include Lantronix Premierwave 2050 Firmware.
How do I fix CVE-2021-21876?
No fix has been published for CVE-2021-21876 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-2021-21876 being exploited?
There is no known exploitation of CVE-2021-21876 in the wild and no public exploit code.
Other vulnerabilities in Lantronix
Sources
Also known as GHSA-37qv-xjx4-w4h2.