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CVE ID: CVE-2021-3323

Last updated: Oct. 18, 2021, 6:05 p.m.

Severity: HIGH


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

Severity score: 6.4 Base score: 7.5 Exploitability score: 10.0 Confidentiality impact: PARTIAL Integrity impact: PARTIAL User interaction required: False Published: Oct. 12, 2021, 10:15 p.m. Data type: CVE Data format: MITRE Assigner: Problem type: CWE-191 Reference url: Reference name: Reference source: MISC CVE version: 2.0 Vector string: AV:N/AC:L/Au:N/C:P/I:P/A:P Access vector: NETWORK Access complexity: LOW Authentication: NONE Base severity: AcInsf info: False Obtain all priviledges: False User privilege: False Other privilege: False

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