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EUVD-2026-350927
European Vulnerability Database identifier assigned by ENISAReserved
2026-10-02 08:20
Assigner
ENISA
Alias of
a CVE record, shown under related vulnerabilities.
This identifier carries no description, severity or references of its own:
they belong to that CVE.
{
"assigner": "ENISA",
"date_reserved": "2026-10-02T08:20:46.653786+00:00",
"id": "EUVD-2026-350927"
}
CVE-2020-5953 (GCVE-0-2020-5953)
Vulnerability from cvelistv5 – Published: 2022-02-03 01:00 – Updated: 2026-08-11 12:22
VLAI
EPSS
VEX
Summary
A vulnerability exists in System Management Interrupt (SWSMI) handler of InsydeH2O UEFI Firmware code located in SWSMI handler that dereferences gRT (EFI_RUNTIME_SERVICES) pointer to call a GetVariable service, which is located outside of SMRAM. This can result in code execution in SMM (escalating privilege from ring 0 to ring -2).
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://www.insyde.com/products | x_refsource_MISC |
| https://www.insyde.com/security-pledge | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://security.netapp.com/advisory/ntap-2022022… | x_refsource_CONFIRM |
| https://www.kb.cert.org/vuls/id/796611 | |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
17 products
| Vendor | Product | Version | |
|---|---|---|---|
| Siemens | SIMATIC Field PG M5 |
Affected:
0 , < V22.01.10
(custom)
|
|
| Siemens | SIMATIC Field PG M6 |
Affected:
0 , < V26.01.13
(custom)
|
|
| Siemens | SIMATIC IPC127E |
Affected:
0 , < V27.01.09
(custom)
|
|
| Siemens | SIMATIC IPC227G |
Affected:
0 , < V28.01.04
(custom)
|
|
| Siemens | SIMATIC IPC277G |
Affected:
0 , < V28.01.04
(custom)
|
|
| Siemens | SIMATIC IPC277G PRO |
Affected:
0 , < V28.01.04
(custom)
|
|
| Siemens | SIMATIC IPC327G |
Affected:
0 , < V28.01.04
(custom)
|
|
| Siemens | SIMATIC IPC377G |
Affected:
0 , < V28.01.04
(custom)
|
|
| Siemens | SIMATIC IPC427E |
Affected:
0 , < V21.01.17
(custom)
|
|
| Siemens | SIMATIC IPC477E |
Affected:
0 , < V21.01.17
(custom)
|
|
| Siemens | SIMATIC IPC477E PRO |
Affected:
0 , < V21.01.17
(custom)
|
|
| Siemens | SIMATIC IPC627E |
Affected:
0 , < V25.02.12
(custom)
|
|
| Siemens | SIMATIC IPC647E |
Affected:
0 , < V25.02.12
(custom)
|
|
| Siemens | SIMATIC IPC677E |
Affected:
0 , < V25.02.12
(custom)
|
|
| Siemens | SIMATIC IPC847E |
Affected:
0 , < V25.02.12
(custom)
|
|
| Siemens | SIMATIC ITP1000 |
Affected:
0 , < V23.01.10
(custom)
|
|
| Siemens | SIPLUS IPC427E |
Affected:
0 , < V21.01.17
(custom)
|
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Trend slope:
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Show additional events:
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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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