Critical severity · published May 11, 2020
CVE-2020-10022
A malformed JSON payload that is received from an UpdateHub server may trigger memory corruption in the Zephyr OS
9.8
CVSS
2.3%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.3% · higher than 83% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
2.1.0; 2.2.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-10022
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-10022
docs.zephyrproject.org
https://docs.zephyrproject.org/latest/security/vulnerabilities.html#cve-2020-10022
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/24065
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/24066
Patch
https://github.com/zephyrproject-rtos/zephyr/pull/24154
Third Party Advisory
https://zephyrprojectsec.atlassian.net/browse/ZEPSEC-28
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