CVE-2020-10062

moderate-risk
Published 2020-06-05

An off-by-one error in the Zephyr project MQTT packet length decoder can result in memory corruption and possible remote code execution. NCC-ZEP-031 This issue affects: zephyrproject-rtos zephyr version 2.2.0 and later versions.

Do I need to act?

~
5.8% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.0/10 Critical
NETWORK / HIGH complexity

Affected Products (1)

Affected Vendors

Zephyrproject

References (8)

Vendor Advisory https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-100...
Patch https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b4382...
Third Party Advisory https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-secu...
Third Party Advisory https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84
Vendor Advisory https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-100...
Patch https://github.com/zephyrproject-rtos/zephyr/pull/23821/commits/11b7a37d9a0b4382...
Third Party Advisory https://research.nccgroup.com/2020/05/26/research-report-zephyr-and-mcuboot-secu...
Third Party Advisory https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-84
40
/ 100
moderate-risk
Severity 26/34 · High
Exploitability 9/34 · Low
Exposure 5/34 · Minimal