CVE-2023-33973 is a critical denial-of-service vulnerability affecting RIOT-OS versions 2023.01 and prior, specifically within its 6LoWPAN frame processing capability. An unauthenticated attacker can remotely crash affected IoT devices by sending a specially crafted network frame, leading to a NULL pointer dereference during packet encoding. This vulnerability carries a high CVSS score of 7.5 due to its network-based attack vector and complete availability impact. There is currently no evidence of active exploitation, public exploit code, or significant community discussion, and a patch is available.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 2023.01CPE matchmatch criteria | cpe:2.3:o:riot-os:riot:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
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