CVE-2020-10066 Incorrect Error Handling in Bluetooth HCI core
Attackers can cause a denial of service via incorrect error handling in the Bluetooth HCI core of Zephyr RTOS.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2020-10066?
CVE-2020-10066 is a low-severity vulnerability in Zephyrproject Zephyr, published on 24 May 2021. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Incorrect Error Handling in Bluetooth HCI core. Zephyr versions >= v1.14.2, >= v2.2.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-gc66-xfrc-24qr
Weakness: CWE-476
Which versions are affected by CVE-2020-10066?
It affects 1 product.
Products include Zephyrproject Zephyr.
How do I fix CVE-2020-10066?
No fix has been published for CVE-2020-10066 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-10066 being exploited?
There is no known exploitation of CVE-2020-10066 in the wild and no public exploit code.
Other vulnerabilities in Zephyrproject Zephyr
- CVE-2026-5067 Out-of-bounds read/write in HTTP WebSocket upgrade via non-null-terminated Sec-WebSocket-Key
- CVE-2022-3806 Bluetooth HCI Error Handling Double Free
- CVE-2017-14199 Memory corruption in getaddrinfo
- CVE-2018-1000800 Null dereference in n/a
- CVE-2021-3329 DOS: Incorrect handling of the initial HCI ACL_MTU handshake packet leads to crash of bluetooth host layer