CVE-2021-28909 Auth bypass in n/a
Unauthenticated attackers can brute force the login service to gain SSH root access on eibPort V3 devices.
- 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-2021-28909?
CVE-2021-28909 is a critical authentication bypass vulnerability in n/a, published on 9 Sep 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
BAB TECHNOLOGIE GmbH eibPort V3 prior version 3.9.1 allow unauthenticated attackers to access uncontrolled the login service at /webif/SecurityModule in a brute force attack. The password could be weak and default username is known as 'admin'. This is usable and part of an attack chain to gain SSH root access.
Weakness: CWE-307
Which versions are affected by CVE-2021-28909?
It affects 1 product.
Products include Bab-Technologie Eibport Firmware.
How do I fix CVE-2021-28909?
No fix has been published for CVE-2021-28909 yet. Limit exposure of the affected software until one is available.
Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.
Is CVE-2021-28909 being exploited?
There is no known exploitation of CVE-2021-28909 in the wild and no public exploit code.
Other vulnerabilities in n/a
- CVE-2021-28911 Information disclosure in n/a
- CVE-2021-28913 Hardcoded credentials in n/a
- CVE-2021-28910 Server-side request forgery in n/a
- CVE-2020-24573 BAB TECHNOLOGIE GmbH eibPort V3 prior to 3.8.3 devices allow denial of service (Uncontrolled Resource Consumption) via requests to the lighttpd component.
- CVE-2021-28912 Hardcoded credentials in n/a
Sources
Also known as GHSA-4pvv-c564-5hw3.