Vulnerability-Lookup

VAR-202012-0820

Vulnerability from variot - Updated: 2023-12-18 12:16

A CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability exists in Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions), that could cause a buffer overflow when the length of a file transferred to the webserver is not verified. Modicon M258 firmware, SoMachine , SoMachine Motion The software contains a buffer error vulnerability.Information is obtained, information is tampered with, and service is disrupted (DoS) It may be put into a state. Schneider Electric Modicon M258 is a programmable automation controller produced by Schneider Electric in France

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CVE-2020-28220 (GCVE-0-2020-28220)

Vulnerability from cvelistv5 – Published: 2020-12-11 00:51 – Updated: 2026-05-28 20:18

Summary

Severity

4.7 (Medium)


                        
                          CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2026-05-28 20:17 UTC

CWE

CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Assigner

schneider mitre root

References

1 reference

URL	Tags
https://www.se.com/ww/en/download/document/SEVD-2…	x_refsource_CONFIRM

Impacted products

1 product

Vendor	Product	Version
n/a	Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions)	Affected: Modicon M258 Firmware (All versions prior to V5.0.4.11) and SoMachine/SoMachine Motion software (All versions)

Show details on NVD website

JSON

To clipboard

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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.

Detection rules are retrieved from Rulezet.

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.

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.