CVE-2020-10022
A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS. This could result in a denial of service in the best case, or code execution in the worst case. See NCC-NCC-016 This issue affects: zephyrproject-rtos zephyr version 2.1.0 and later versions. version 2.2.0 and later versions.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.32% probability · 83th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
EPSS 2.3% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022
- https://github.com/zephyrproject-rtos/zephyr/pull/24065Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/24066Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/24154Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28Third Party Advisory
- https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022
- https://github.com/zephyrproject-rtos/zephyr/pull/24065Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/24066Patch, Third Party Advisory
- https://github.com/zephyrproject-rtos/zephyr/pull/24154Patch, Third Party Advisory
- https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.