CVE-2020-13602

low-risk
Published 2021-05-25

Remote Denial of Service in LwM2M do_write_op_tlv. Zephyr versions >= 1.14.2, >= 2.2.0 contain Improper Input Validation (CWE-20), Loop with Unreachable Exit Condition ('Infinite Loop') (CWE-835). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6fqh

Do I need to act?

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0.11% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Affected Vendors

Zephyrproject

References (2)

Third Party Advisory http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6...
Third Party Advisory http://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-g9mg-fj58-6...
19
/ 100
low-risk
Severity 14/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal