VULNERABILITY INTELLIGENCE

CVE-2020-22284

CVSS score7.5 HIGH
EPSS probability1.18%
CISA KEVNot currently listed
Published2021-07-22
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Description

A buffer overflow vulnerability in the zepif_linkoutput() function of Free Software Foundation lwIP git head version and version 2.1.2 allows attackers to access sensitive information via a crafted 6LoWPAN packet.

Weakness classification

  • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Primary references