CVE-2021-27953 Null dereference in n/a
A remote attacker can cause a denial of service on ecobee3 lite devices by sending a crafted HTTP request during HomeKit setup.
- 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-2021-27953?
CVE-2021-27953 is a high-severity vulnerability in n/a, published on 3 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A NULL pointer dereference vulnerability exists on the ecobee3 lite 4.5.81.200 device in the HomeKit Wireless Access Control setup process. A threat actor can exploit this vulnerability to cause a denial of service, forcing the device to reboot via a crafted HTTP request.
Weakness: CWE-476
Which versions are affected by CVE-2021-27953?
It affects 1 product.
Products include Ecobee Ecobee3 Lite Firmware.
How do I fix CVE-2021-27953?
No fix has been published for CVE-2021-27953 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-27953 being exploited?
There is no known exploitation of CVE-2021-27953 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as GHSA-xfww-6hgp-m5c5.