CVE-2020-26144 (GCVE-0-2020-26144)
Vulnerability from cvelistv5 – Published: 2021-05-11 19:33 – Updated: 2026-10-08 21:14
VLAI
EPSS
VEX
Summary
An issue was discovered on Samsung Galaxy S3 i9305 4.4.4 devices. The WEP, WPA, WPA2, and WPA3 implementations accept plaintext A-MSDU frames as long as the first 8 bytes correspond to a valid RFC1042 (i.e., LLC/SNAP) header for EAPOL. An adversary can abuse this to inject arbitrary network packets independent of the network configuration.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-08 21:11 UTC
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
| https://www.fragattacks.com | x_refsource_MISC |
| https://github.com/vanhoefm/fragattacks/blob/mast… | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2021/0… | mailing-listx_refsource_MLIST |
| https://cert-portal.siemens.com/productcert/pdf/s… | x_refsource_CONFIRM |
| https://www.arista.com/en/support/advisories-noti… | x_refsource_MISC |
| https://cert-portal.siemens.com/productcert/html/… | |
| https://cert-portal.siemens.com/productcert/html/… |
Impacted products
31 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Siemens | SCALANCE W721-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W722-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W734-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W734-1 RJ45 (USA) |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W738-1 M12 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W748-1 M12 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W748-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W761-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W774-1 M12 EEC |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W774-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W774-1 RJ45 (USA) |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W778-1 M12 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W778-1 M12 EEC |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W778-1 M12 EEC (USA) |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W786-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W786-2 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W786-2 SFP |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W786-2IA RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W788-1 M12 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W788-1 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W788-2 M12 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W788-2 M12 EEC |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE W788-2 RJ45 |
Affected:
0 , < V6.6.0
(custom)
|
guessed | |
| Siemens | SCALANCE WAM763-1 |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WAM766-1 |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WAM766-1 (US) |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WAM766-1 EEC |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WAM766-1 EEC (US) |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WUM763-1 |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WUM766-1 |
Affected:
0 , < V1.2.0
(custom)
|
guessed | |
| Siemens | SCALANCE WUM766-1 (USA) |
Affected:
0 , < V1.2.0
(custom)
|
guessed |
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{
"defaultStatus": "unknown",
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"versions": [
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{
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{
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{
"defaultStatus": "unknown",
"product": "SCALANCE W722-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
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{
"defaultStatus": "unknown",
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"vendor": "Siemens",
"versions": [
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"lessThan": "V6.6.0",
"status": "affected",
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{
"defaultStatus": "unknown",
"product": "SCALANCE W734-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
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]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W734-1 RJ45 (USA)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W734-1 RJ45 (USA)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W738-1 M12",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
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{
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"product": "SCALANCE W738-1 M12",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
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{
"defaultStatus": "unknown",
"product": "SCALANCE W738-1 M12",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
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{
"defaultStatus": "unknown",
"product": "SCALANCE W748-1 M12",
"vendor": "Siemens",
"versions": [
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{
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"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
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{
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"vendor": "Siemens",
"versions": [
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{
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"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
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{
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"product": "SCALANCE W748-1 RJ45",
"vendor": "Siemens",
"versions": [
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{
"defaultStatus": "unknown",
"product": "SCALANCE W761-1 RJ45",
"vendor": "Siemens",
"versions": [
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},
{
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"versions": [
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}
]
},
{
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"product": "SCALANCE W761-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 M12 EEC",
"vendor": "Siemens",
"versions": [
{
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"status": "affected",
"version": "0",
"versionType": "custom"
}
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},
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}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 M12 EEC",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
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"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
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"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
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}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W774-1 RJ45 (USA)",
"vendor": "Siemens",
"versions": [
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},
{
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"vendor": "Siemens",
"versions": [
{
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"version": "0",
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]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12 EEC",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12 EEC",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12 EEC (USA)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
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},
{
"defaultStatus": "unknown",
"product": "SCALANCE W778-1 M12 EEC (USA)",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W786-1 RJ45",
"vendor": "Siemens",
"versions": [
{
"lessThan": "V6.6.0",
"status": "affected",
"version": "0",
"versionType": "custom"
}
]
},
{
"defaultStatus": "unknown",
"product": "SCALANCE W786-1 RJ45",
"vendor": "Siemens",
"versions": [
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"source": "0b142b55-0307-4c5a-b3c9-f314f3fb7c5e",
"url": "https://cert-portal.siemens.com/productcert/html/ssa-913875.html"
}
],
"sourceIdentifier": "cve@mitre.org",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "CWE-20"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2026-06-28T11:57:20+00:00",
"cve": "CVE-2020-26144",
"id": "CVE-2020-26144",
"initial_release_date": "2020-01-01T00:00:00+00:00",
"product_status:fixed": "150",
"product_status:known_affected": "150",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: accepting unencrypted A-MSDU frames that start with RFC1042 header",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2020/cve-2020-26144.json",
"version": "3"
}
}
}
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Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.
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.
Vulnerability timeline
Sightings and recorded dates, grouped by day · UTC
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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.