VULNERABILITY INTELLIGENCE

CVE-2022-21159

CVSS score7.5 HIGH
EPSS probability1.82%
CISA KEVNot currently listed
Published2022-04-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Description

A denial of service vulnerability exists in the parseNormalModeParameters functionality of MZ Automation GmbH libiec61850 1.5.0. A specially-crafted series of network requests can lead to denial of service. An attacker can send a sequence of malformed iec61850 messages to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-835
  • nvd@nist.gov: CWE-835

Primary references