Vulnerability Details CVE-2021-3320
Type Confusion in 802154 ACK Frames Handling. Zephyr versions >= v2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-27r3-rxch-2hm7
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 55.8%
CVSS Severity
CVSS v3 Score 5.9
CVSS v2 Score 5.0
Products affected by CVE-2021-3320
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cpe:2.3:o:zephyrproject:zephyr:2.0.0
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cpe:2.3:o:zephyrproject:zephyr:2.1.0
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cpe:2.3:o:zephyrproject:zephyr:2.2.0
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cpe:2.3:o:zephyrproject:zephyr:2.3.0
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cpe:2.3:o:zephyrproject:zephyr:2.4.0