CVE-2023-3634 (GCVE-0-2023-3634)
Vulnerability from cvelistv5 – Published: 2026-04-16 04:40 – Updated: 2026-04-16 13:51
VLAI
EPSS
VEX
Title
Festo: MSE6-C2M/D2M/E2M Incomplete User Documentation of Remote Accessible Functions
Summary
In products of the MSE6 product-family by Festo a remote authenticated, low privileged attacker could use functions of undocumented test mode which could lead to a complete loss of confidentiality, integrity and availability.
Severity
8.8 (High)
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-04-16 13:51 UTC
CWE
- CWE-1242 - Inclusion of Undocumented Features or Chicken Bits
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://certvde.com/de/advisories/VDE-2023-020/ | |
| https://festo.csaf-tp.certvde.com/.well-known/csa… | vendor-advisory |
Impacted products
12 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Festo | MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L4-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l4-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-C2M-5000-FB36-D-M-RG-BAR-M12L5-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb36-d-m-rg-bar-m12l5-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L4-MQ1-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l4-mq1-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-C2M-5000-FB43-D-M-RG-BAR-M12L5-MQ1-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb43-d-m-rg-bar-m12l5-mq1-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-C2M-5000-FB44-D-M-RG-BAR-AMI-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-m-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-C2M-5000-FB44-D-RG-BAR-AMI-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-c2m-5000-fb44-d-rg-bar-ami-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-D2M-5000-CBUS-S-RG-BAR-VCB-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-d2m-5000-cbus-s-rg-bar-vcb-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-E2M-5000-FB13-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-e2m-5000-fb13-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-E2M-5000-FB36-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-e2m-5000-fb36-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-E2M-5000-FB37-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-e2m-5000-fb37-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-E2M-5000-FB43-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-e2m-5000-fb43-agd_firmware:*:*:*:*:*:*:*:* |
||
| Festo | MSE6-E2M-5000-FB44-AGD |
Affected:
*
cpe:2.3:o:festo:mse6-e2m-5000-fb44-agd_firmware:*:*:*:*:*:*:*:* |
Date Public
2026-03-06 08:15
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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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