Vulnerabilities > CVE-2021-3321 - Integer Underflow (Wrap or Wraparound) vulnerability in Zephyrproject Zephyr 2.4.0

047910
CVSS 5.8 - MEDIUM
Attack vector
ADJACENT_NETWORK
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
PARTIAL
Integrity impact
PARTIAL
Availability impact
PARTIAL
low complexity
zephyrproject
CWE-191

Summary

Integer Underflow in Zephyr in IEEE 802154 Fragment Reassembly Header Removal. Zephyr versions >= >=2.4.0 contain Integer Overflow to Buffer Overflow (CWE-680). For more information, see https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-w44j-66g7-xw99

Vulnerable Configurations

Part Description Count
OS
Zephyrproject
4

Common Weakness Enumeration (CWE)