CVE-2019-16639 Command injection in n/a

Critical 9.8 Published 16 Jul 2024 Updated 5 Aug 2024

An attacker with web interface access can execute arbitrary TELNET commands and view admin passwords via an unauthenticated API endpoint.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2019-16639?

CVE-2019-16639 is a critical command injection vulnerability in n/a, published on 16 Jul 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

An issue was found on the Ruijie EG-2000 series gateway. There is a newcli.php API interface without access control, which can allow an attacker (who only has web interface access) to use TELNET commands and/or show admin passwords via the mode_url=exec&command= substring. This affects EG-2000SE EG_RGOS 11.9 B11P1.

Weakness: CWE-78

Which versions are affected by CVE-2019-16639?

It affects 1 product.

Products include Ruijie Eg-2000se Firmware.

How do I fix CVE-2019-16639?

No fix has been published for CVE-2019-16639 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-2019-16639 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2019-16639 exists.

Sources

Also known as GHSA-xh6p-7c6x-4vjr.