CVE-2021-3320
published 2021-05-25CVE-2021-3320: Type Confusion in 802154 ACK Frames Handling. Zephyr versions >= v2.4.0 contain NULL Pointer Dereference (CWE-476). For more information, see…
PriorityP434high7.5CVSS 3.1
AVNACLPRNUINSUCNINAH
EPSS
0.85%
53.4th percentile
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
Affected
2 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| zephyrproject-rtos | zephyr | >= v2.4.0 < unspecified | unspecified |
| zephyrproject | zephyr | 2.0.0 – 2.4.0 | — |
CVSS provenance
nvdv3.17.5HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvdv2.05.0MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P
Stop checking back — get the weekly exploitation signal.
Every Monday: what got weaponized or added to CISA KEV in the last seven days — each CVE cross-linked to its PoC, Nuclei template, and detection rule. Free, one email a week, unsubscribe in one click.
No advisories linked to this vulnerability.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2021-05-25
Published