2021-27953 | ecobee3 lite HomeKit Wireless Access Control Setup null pointer dereference
| CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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| 3.5 | $0-$5k | 0.60 |
A vulnerability classified as problematic has been found in ecobee3 lite 4.5.81.200. This affects an unknown code block of the component HomeKit Wireless Access Control Setup. The manipulation with an unknown input leads to a denial of service vulnerability. CWE is classifying the issue as CWE-476. This is going to have an impact on availability. The summary by CVE is:
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.
The weakness was published 08/04/2021. The advisory is shared at l9group.com. This vulnerability is uniquely identified as CVE-2021-27953 since 03/04/2021. Access to the local network is required for this attack. The requirement for exploitation is a authentication. Neither technical details nor an exploit are publicly available.
There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.
Name
VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.5
VulDB Base Score: 3.5
VulDB Temp Score: 3.5
VulDB Vector: 🔒
VulDB Reliability: 🔍
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Class: Denial of service
CWE: CWE-476
ATT&CK: Unknown
Local: No
Remote: Partially
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
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Threat Intelligence
Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍Recommended: no mitigation known
Status: 🔍
0-Day Time: 🔒
03/04/2021 CVE assigned
08/04/2021 Advisory disclosed
08/04/2021 VulDB entry created
08/07/2021 VulDB last updateAdvisory: l9group.com
Status: Not defined
CVE: CVE-2021-27953 (🔒)
Created: 08/04/2021 12:29
Updated: 08/07/2021 17:24
Changes: (2) source_cve_assigned source_cve_nvd_summary
Complete: 🔍
Comments
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