by Kastro
Paper/Archive/CVE-2021-3323

CVE-2021-3323

zephyrproject-rtos zephyr — Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr

EPSS 0.9%CVSS 9.8
critical.is priorityof 100
42
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 60.4.604 × 2012.1No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr. Zephyr versions >= >=2.4.0 contain Integer Underflow (Wrap or Wraparound) (CWE-191). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc

Affected

ProductAffectedFixed inSource
zephyr>=2.4.0 – < unspecifiedunspecifiedCNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
zephyr (CNA)8.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

References

refgithub.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-89j6-qpxf-pfpc