CVE-2021-3323 Vulnerability Details

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CVE-2021-3323 Metadata Quick Info

CVE Published: 12/10/2021 | CVE Updated: 16/09/2024 | CVE Year: 2021
Source: zephyr | Vendor: zephyrproject-rtos | Product: zephyr
Status : PUBLISHED

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CVE-2021-3323 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

Metrics

CVSS Version: 3.1 | Base Score: 8.3 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:L

l➤ Exploitability Metrics:
    Attack Vector (AV)* NETWORK
    Attack Complexity (AC)* LOW
    Privileges Required (PR)* NONE
    User Interaction (UI)* NONE
    Scope (S)* CHANGED

l➤ Impact Metrics:
    Confidentiality Impact (C)* LOW
    Integrity Impact (I)* LOW
    Availability Impact (A)* LOW

Weakness Enumeration (CWE)

CWE-ID: CWE-191
CWE Name: Integer Underflow (Wrap or Wraparound) (CWE-191)
Source: zephyrproject-rtos

Common Attack Pattern Enumeration and Classification (CAPEC)

CAPEC-ID:
CAPEC Description:


Source: NVD (National Vulnerability Database).