CVE-2023-39477

2024-05-0303:15:13

CWE-400

[email protected]

web.nvd.nist.gov

inductive automation

ignition

conditionrefresh

resource exhaustion

dos

vulnerability

remote attackers

denial-of-service condition

7.5 High

CVSS3

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

0.0005 Low

EPSS

Percentile

16.4%

JSON

Inductive Automation Ignition ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability. This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Inductive Automation Ignition. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the handling of OPC UA ConditionRefresh requests. By sending a large number of requests, an attacker can consume all available resources on the server. An attacker can leverage this vulnerability to create a denial-of-service condition on the system. Was ZDI-CAN-20499.

Affected configurations

Vulners

Node

inductive_automationignitionRange≤8.1.24

CNA Affected

[
  {
    "vendor": "Inductive Automation",
    "product": "Ignition",
    "versions": [
      {
        "version": "8.1.24",
        "status": "affected"
      }
    ],
    "defaultStatus": "unknown"
  }
]