VulnerabilityModified
CVE-2020-10022
A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS.
CRITICAL 9.8EPSS 2.32%
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 · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- zephyrproject/zephyr
- Source
- vulnerabilities@zephyrproject.org
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. Refreshed daily.