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CVE-2023-39477

Published: May 3, 2024Updated: Mar 12, 2025 Sources: CVE List NVDCWE-400
NVD MITRE
7.5CVSSHIGH
EPSS Score
1.4%
Top 30.8%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:NS:UC:NI:NA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:NIntegrity
None
A:HAvailability
High
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Weaknesses

CWE-400NVD-CWE-noinfo

Affected Products

IgnitionInductive Automation
On-prem
ICS / OT / IoT / plc-scada-hmi
ignitioninductiveautomation
On-prem
ICS / OT / IoT / plc-scada-hmi
inductive automationcommercialICS / OT / IoTaka ignition, ignition 7 gateway, ignition 8 gateway
inductiveautomationcommercialICS / OT / IoTaka ignition, ignition gateway

Attack Graph

Products CVE Techniques Tactics

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Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.

MITRE ATT&CK

1 technique
Impact
View detailed technique mapping

References

https://www.zerodayinitiative.com/advisories/ZDI-23-1050/
zerodayinitiative.com
https://inductiveautomation.com/downloads/releasenotes/8.1.33
inductiveautomation.com

Timeline

Published
May 3, 2024
Last Updated
Mar 12, 2025

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