CVE-2022-21159

2022-04-1516:00:21

CWE-835

talos

www.cve.org

denial of service

mz automation gmbh

libiec61850

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS

0.002

Percentile

51.8%

JSON

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.

CNA Affected

[
  {
    "product": "libiec61850",
    "vendor": "MZ Automation GmbH",
    "versions": [
      {
        "status": "affected",
        "version": "1.5.0"
      }
    ]
  }
]