CVE-2021-3319
low-risk
Published 2021-10-05
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 https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-94jg-2p6q-5364
Do I need to act?
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0.43% 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
6
CVSS 6.5/10
Medium
NETWORK
/ HIGH complexity
Affected Products (1)
Affected Vendors
27
/ 100
low-risk
Severity
20/34 · Moderate
Exploitability
2/34 · Minimal
Exposure
5/34 · Minimal