CVE-2021-21737 Missing authorization in ZXV10 B860H V5.0
Attackers can tamper with the system desktop and customization functions on ZTE Smart STBs due to insufficient access control protections.
- 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-2021-21737?
CVE-2021-21737 is a high-severity missing authorization vulnerability in ZXV10 B860H V5.0, published on 24 Jun 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A smart STB product of ZTE is impacted by a permission and access control vulnerability. Due to insufficient protection of system application, attackers could use this vulnerability to tamper with the system desktop and affect system customization functions. This affects: ZXV10 B860H V5.0, V83011303.0010, V83011303.0016
Weakness: CWE-276
Which versions are affected by CVE-2021-21737?
It affects 1 product.
Products include Zte Zxv10 B860h V5.0 Firmware.
How do I fix CVE-2021-21737?
No fix has been published for CVE-2021-21737 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2021-21737 being exploited?
There is no known exploitation of CVE-2021-21737 in the wild and no public exploit code.
Sources
Also known as GHSA-c6fv-7r7c-32q7.