CVE-2021-3323CWE-191

Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr

High · published October 12, 2021

CVSS v3.1
8.3
EPSS
1%
Percentile
60.0
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
8.3 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L
CVSS v4.0
Not supplied
EPSS
0.00924 · 60.0th percentile
Weakness
CWE-191 · Integer Underflow (Wrap or Wraparound)
Published
2021-10-12T21:50Z
EPSS history
Timeline
  • 12 OCT 21:50Z
    Integer Underflow in 6LoWPAN IPHC Header Uncompression in Zephyr
    cvelistv5