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CVE-2020-10061— Error handling invalid packet sequence

Quick assessment

Affected

zephyrproject-rtos zephyr

Exploitation

No confirmed in-the-wild exploitation; assess based on exposure

Recommended action

Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Zephyr是美国Linux基金会的一套开源的小型的可缩放的实时操作系统。 Zephyr Bluetooth 2.2.0及之后版本和1.14.0及之后版本中存在缓冲区错误漏洞。攻击者可利用该漏洞导致内存损坏。

CVSS 8.1 · High EPSS 0.61% · P49 Updated Feb 24, 2026

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

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I. Basic Information for CVE-2020-10061

Vulnerability Information

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Vulnerability Title

Error handling invalid packet sequence

Source: CVE Program / CVE List V5

Vulnerability Description

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.

Source: CVE Program / CVE List V5

CVSS Information

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Source: CVE Program / CVE List V5

Vulnerability Type

内存缓冲区边界内操作的限制不恰当

Source: CVE Program / CVE List V5

Vulnerability Title

Zephyr 缓冲区错误漏洞

Source: CNNVD (China National Vulnerability Database)

Vulnerability Description

Source: CNNVD (China National Vulnerability Database)

CVSS Information

N/A

Source: CNNVD (China National Vulnerability Database)

Vulnerability Type

N/A

Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor	Product	Affected Versions	CPE	Subscribe
zephyrproject-rtos	zephyr	2.2.0 ~ unspecified	-

II. Public POCs for CVE-2020-10061

#	POC Description	Source Link	Shenlong Link

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No public POC found.

III. Intelligence Information for CVE-2020-10061

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Patches & Fixes for CVE-2020-10061 (4)

https://github.com/zephyrproject-rtos/zephyr/pull/23516 x_refsource_MISC
https://github.com/zephyrproject-rtos/zephyr/pull/23091 x_refsource_MISC
https://github.com/zephyrproject-rtos/zephyr/pull/23547 x_refsource_MISC
https://github.com/zephyrproject-rtos/zephyr/pull/23517 x_refsource_MISC

Other References for CVE-2020-10061 (2)

https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-75 x_refsource_MISC
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10061 x_refsource_MISC

https://www.cve.org/CVERecord?id=CVE-2020-10061

Same Patch Batch · zephyrproject-rtos · 2020-06-05 · 6 CVEs total

CVE-2020-10062	9.0 CRITICAL	Packet length decoding error in MQTT
CVE-2020-10070	9.0 CRITICAL	MQTT buffer overflow on receive buffer
CVE-2020-10071	9.0 CRITICAL	Insufficient publish message length validation in MQTT
CVE-2020-10063	6.8 MEDIUM	Remote Denial of Service in CoAP Option Parsing Due To Integer Overflow
CVE-2020-10068	5.1 MEDIUM	Zephyr Bluetooth DLE duplicate requests vulnerability

IV. Related Vulnerabilities

Same product: zephyr

Same vendor: zephyrproject-rtos

Same weakness: CWE-119