CVE-2021-27953
Published: 03 August 2021
Summary
CVE-2021-27953 is a high-severity NULL Pointer Dereference (CWE-476) vulnerability in Ecobee Ecobee3 Lite Firmware. Its CVSS base score is 7.5 (High).
Operationally, ranked in the top 20.2% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2021-14671
Vulnerability details
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…
more
crafted HTTP request.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.