CVE-2020-1837 Denial of service in ChangXiang 8 Plus
Attackers can cause denial of service on ChangXiang 8 Plus devices by crafting fake base station messages, disrupting signal service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1837?
CVE-2020-1837 is a medium-severity denial of service vulnerability in ChangXiang 8 Plus, published on 6 Jul 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
ChangXiang 8 Plus with versions earlier than 9.1.0.136(C00E121R1P6T8) have a denial of service vulnerability. The device does not properly handle certain message from base station, the attacker could craft a fake base station to launch the attack. Successful exploit could cause a denial of signal service condition.
Which versions are affected by CVE-2020-1837?
It affects 1 product.
Products include Huawei Changxiang 8 Plus Firmware.
How do I fix CVE-2020-1837?
No fix has been published for CVE-2020-1837 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2020-1837 being exploited?
There is no known exploitation of CVE-2020-1837 in the wild and no public exploit code.
Sources
Also known as GHSA-mcq4-g4c6-q4x2.