What is CVE-2021-3319?

CVE-2021-3319 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2021-10-05.

How severe is CVE-2021-3319?

Medium severity. CVSS v3 base score is 6.5 out of 10.

NULL pointer dereference in Zephyrproject Zephyr

CVE-2021-3319

DOS: Incorrect 802154 Frame Validation for Omitted Source / Dest Addresses. Zephyr versions >= > v2.4.0 contain NULL Pointer Dereference (CWE-476), Attempt to Access Child of a Non-structure Pointer (CWE-588). For more information, see htt…

EPSS: 0.009 (53.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H.

Affected products

Zephyrproject Zephyr
Zephyrproject-rtos Zephyr — versions > v2.4.0

Weakness classification (CWE)

References

vulnerabilities@zephyrproject.org (Exploit, Patch, Third Party Advisory, x_refsource_MISC)

Frequently asked questions

What is CVE-2021-3319?: CVE-2021-3319 is a medium-severity vulnerability in Zephyrproject Zephyr, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2021-10-05.
How severe is CVE-2021-3319?: Medium severity. CVSS v3 base score is 6.5 out of 10.