High severity · published Oct 5, 2021
CVE-2021-3510
Zephyr JSON decoder incorrectly decodes array of array
7.5
CVSS
1%
EPSS
No
On KEV
Description
Zephyr JSON decoder incorrectly decodes array of array. Zephyr versions >= >1.14.0, >= >2.5.0 contain Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.0% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ZE
Zephyr · Zephyrproject
1.14.0; 1.14.0; 1.14.0; 1.14.0; 1.14.1; 1.14.1; +16 more · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-3510
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-3510
Patch
http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-289f-7mw3-2qf4
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