CVE-2023-3596 (GCVE-0-2023-3596)
Vulnerability from cvelistv5 – Published: 2023-07-12 12:51 – Updated: 2024-11-07 16:59
VLAI
EPSS
VEX
Title
Rockwell Automation Allen-Bradley ControlLogix Communication Modules vulnerable to Denial of Service
Summary
Where this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-07 16:56 UTC
CWE
- CWE-787 - Out-of-bounds Write
Assigner
References
1 reference
Impacted products
6 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Rockwell Automation | 1756-EN4TR Series A |
Affected:
<=5.001
|
guessed | |
| Rockwell Automation | 1756-EN4TRK Series A |
Affected:
<=5.001
|
guessed | |
| Rockwell Automation | 1756-EN4TRXT Series A |
Affected:
<=5.001
|
guessed | |
| rockwellautomation | 1756-en4tr |
Affected:
0 , ≤ 5.001
(custom)
cpe:2.3:h:rockwellautomation:1756-en4tr:-:*:*:*:*:*:*:* |
||
| rockwellautomation | 1756-en4trk |
Affected:
0 , ≤ 5.001
(custom)
cpe:2.3:h:rockwellautomation:1756-en4trk:-:*:*:*:*:*:*:* |
||
| rockwellautomation | 1756-en4trxt |
Affected:
0 , ≤ 5.001
(custom)
cpe:2.3:h:rockwellautomation:1756-en4trxt:-:*:*:*:*:*:*:* |
Date Public
2023-07-12 12:00
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"cpes": [
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"vendor": "rockwellautomation",
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],
"metrics": [
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"other": {
"content": {
"id": "CVE-2023-3596",
"options": [
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"Exploitation": "none"
},
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"timestamp": "2024-11-07T16:56:23.761081Z",
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"dateUpdated": "2024-11-07T16:59:20.757Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
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"datePublic": "2023-07-12T12:00:00.000Z",
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"value": "\n\n\u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eWhere this vulnerability exists in the Rockwell Automation 1756-EN4* Ethernet/IP communication products, it could allow a malicious user to cause a denial of service by asserting the target system through maliciously crafted CIP messages.\u003c/span\u003e\n\n"
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}
],
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"value": "\n\n\u003cul\u003e\u003cli\u003e\u003cstrong\u003eUpdate firmware. \u003c/strong\u003eUpdate EN4* ControlLogix communications modules to firmware revision 5.002.\u0026nbsp;\u003c/li\u003e\u003cli\u003e\u003cstrong\u003eProperly segment networks.\u003c/strong\u003e\u0026nbsp;Given a cyber actor would require network connectivity to the communication module to exploit the vulnerability, organizations should ensure ICS/SCADA networks are properly segmented within the process structure as well as from the Internet and other non-essential networks. \u003c/li\u003e\u003cli\u003e\u003cstrong\u003eImplement detection signatures.\u003c/strong\u003e\u0026nbsp;Use appended Snort signatures to monitor and detect anomalous Common Industrial Protocol (CIP) packets to Rockwell Automation devices. \u003c/li\u003e\u003c/ul\u003e\n\n\u003cbr\u003e"
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"value": "\n * Update firmware. Update EN4* ControlLogix communications modules to firmware revision 5.002.\u00a0\n * Properly segment networks.\u00a0Given a cyber actor would require network connectivity to the communication module to exploit the vulnerability, organizations should ensure ICS/SCADA networks are properly segmented within the process structure as well as from the Internet and other non-essential networks. \n * Implement detection signatures.\u00a0Use appended Snort signatures to monitor and detect anomalous Common Industrial Protocol (CIP) packets to Rockwell Automation devices. \n\n\n\n\n\n"
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}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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