Inductive Automation Ignition ConditionRefresh resource consumption

CVSS Meta Temp Score
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CTI Interest Score
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7.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Inductive Automation Ignition. This affects the function ConditionRefresh. Performing a manipulation results in resource consumption. This vulnerability is cataloged as CVE-2023-39477. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in Inductive Automation Ignition (Automation Software) (affected version not known). This affects the function ConditionRefresh. The manipulation with an unknown input leads to a resource consumption vulnerability. CWE is classifying the issue as CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. This is going to have an impact on availability. The summary by CVE is:

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.

The weakness was shared 08/08/2023 as ZDI-23-1050. The advisory is shared at zerodayinitiative.com. This vulnerability is uniquely identified as CVE-2023-39477 since 08/02/2023. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

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Productinfo

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Vendor

Name

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 7.5
CNA Vector: 🔍

CVSSv2info

AVACAuCIA
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

08/02/2023 🔍
08/08/2023 +6 days 🔍
08/08/2023 +0 days 🔍
03/12/2025 +582 days 🔍

Sourcesinfo

Advisory: ZDI-23-1050
Status: Confirmed

CVE: CVE-2023-39477 (🔍)
GCVE (CVE): GCVE-0-2023-39477
GCVE (VulDB): GCVE-100-236469

Entryinfo

Created: 08/08/2023 16:42
Updated: 03/12/2025 19:32
Changes: 08/08/2023 16:42 (38), 03/12/2025 19:32 (35)
Complete: 🔍
Cache ID: 216::103

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