CVE-2021-21888 Command injection in Lantronix
An authenticated attacker can execute arbitrary OS commands via a crafted HTTP request in the Web Manager SslGenerateCertificate functionality.
- 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-2021-21888?
CVE-2021-21888 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
An OS command injection vulnerability exists in the Web Manager SslGenerateCertificate functionality of Lantronix PremierWave 2050 8.9.0.0R4 (in QEMU). A specially crafted HTTP request can lead to arbitrary command execution. An attacker can make an authenticated HTTP request to trigger this vulnerability.
Weakness: CWE-78
Which versions are affected by CVE-2021-21888?
It affects 1 product.
Products include Lantronix Premierwave 2050 Firmware.
How do I fix CVE-2021-21888?
No fix has been published for CVE-2021-21888 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-2021-21888 being exploited?
There is no known exploitation of CVE-2021-21888 in the wild and no public exploit code.
Other vulnerabilities in Lantronix
Sources
Also known as GHSA-79h7-vxcj-crgr.