CVE-2020-16134 Privilege escalation in n/a
Attackers with local access or credentials can create privileged users on the Sysbus-API to gain superuser SSH access on Swisscom Internet Box devices.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-16134?
CVE-2020-16134 is a high-severity vulnerability in n/a, published on 4 Aug 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An issue was discovered on Swisscom Internet Box 2, Internet Box Standard, Internet Box Plus prior to 10.04.38, Internet Box 3 prior to 11.01.20, and Internet Box light prior to 08.06.06. Given the (user-configurable) credentials for the local Web interface or physical access to a device's plus or reset button, an attacker can create a user with elevated privileges on the Sysbus-API. This can then be used to modify local or remote SSH access, thus allowing a login session as the superuser.
Which versions are affected by CVE-2020-16134?
It affects 5 products.
Products include Swisscom Internet-Box 2 Firmware, Swisscom Internet-Box 3 Firmware, Swisscom Internet-Box Light Firmware, Swisscom Internet-Box Plus Firmware, Swisscom Internet-Box Standard Firmware.
How do I fix CVE-2020-16134?
No fix has been published for CVE-2020-16134 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-16134 being exploited?
There is no known exploitation of CVE-2020-16134 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-w7f8-p623-gp6f.