CVE-2020-10061

Error handling invalid packet sequence

8.1 High

Improper handling of the full-buffer case in the Zephyr Bluetooth implementation can result in memory corruption. This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions, and version 1.14.0 and later versions.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: High
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

0.61%Down 0.6 points since Apr 14, 2021

What each source reports

CVE List Score used 8.1

Error handling invalid packet sequence

Record: CVE-2020-10061
CVSS 3.1: 8.1 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness: CWE-119
Updated: 2026-11-02

EUVDEUVD-2020-2526 8.1

Record: EUVD-2020-2526
CVSS 3.1: 8.1 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-hv56-r7mf-wr6q No score

Improper handling of the full-buffer case in the Zephyr Bluetooth implementation can result in...

Record: GHSA-hv56-r7mf-wr6q
Weakness: CWE-787
Updated: 2026-11-02

NVD 8.1

Record: CVE-2020-10061
CVSS 3.1: 8.1 HighCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1: 8.8 HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 5.8 MediumAV:A/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-119, CWE-787
Updated: 2026-11-02

Affected products

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases, published	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-10061 is a high vulnerability (CVSS 8.1) in Zephyrproject Zephyr, published June 5, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.61%, the 49th percentile. No source names a fixed version.