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

CVE-2021-3323
HIGH 8.3

At a glance

Source
NVD
EPSS
EPSS 0.92 % · percentile 60 ()
State
PUBLISHED
Published
Updated
Assigner
zephyr
NVD status
Modified

Description

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

Weaknesses (CWE)

  • CWE-191 — Integer Underflow (Wrap or Wraparound)

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:Lzephyr
CVSS 3.1HIGH 8.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:LNVD · vulnerabilities@zephyrproject.org (Secondary)
CVSS 3.1CRITICAL 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HNVD · nvd@nist.gov (Primary)
CVSS 2.0HIGH 7.5AV:N/AC:L/Au:N/C:P/I:P/A:PNVD · nvd@nist.gov (Primary)

European references

Affected configurations (NVD CPE)

Affected products

ProductVersions
zephyrproject-rtos · zephyraffected >=2.4.0 < unspecified

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD