ZdiVULNRICHMENT:CVE-2023-39477CVE-2023-39477 Inductive Automation Ignition ConditionRefresh Resource Exhaustion Denial-of-Service Vulnerability
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
AI Score
Confidence
High
EPSS
Percentile
16.2%
SSVC
Exploitation
none
Automatable
yes
Technical Impact
partial
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.
ADP Affected
[
{
"cpes": [
"cpe:2.3:a:inductiveautomation:ignition:8.1.24:*:*:*:*:*:*:*"
],
"vendor": "inductiveautomation",
"product": "ignition",
"versions": [
{
"status": "affected",
"version": "8.1.24"
}
],
"defaultStatus": "unknown"
}
]Related
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
AI Score
Confidence
High
EPSS
Percentile
16.2%
SSVC
Exploitation
none
Automatable
yes
Technical Impact
partial