CVE-2021-33126 (GCVE-0-2021-33126)
Vulnerability from cvelistv5 – Published: 2022-08-18 19:34 – Updated: 2025-05-05 16:48
VLAI
EPSS
VEX
Summary
Improper access control in the firmware for some Intel(R) 700 and 722 Series Ethernet Controllers and Adapters before versions 8.5 and 1.5.5 may allow a privileged user to potentially enable denial of service via local access.
Severity
4.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-04-23 13:20 UTC
CWE
- denial of service
- NVD-CWE-Other
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.intel.com/content/www/us/en/security-… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| n/a | Intel(R) 700 and 722 Series Ethernet Controllers and Adapters |
Affected:
before versions 8.5 and 1.5.5
|
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"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-03T23:42:19.930Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
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},
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"x_transferred"
],
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}
],
"title": "CVE Program Container"
},
{
"metrics": [
{
"cvssV3_1": {
"attackComplexity": "LOW",
"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
"baseScore": 4.4,
"baseSeverity": "MEDIUM",
"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "HIGH",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H",
"version": "3.1"
}
},
{
"other": {
"content": {
"id": "CVE-2021-33126",
"options": [
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},
{
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},
{
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}
],
"role": "CISA Coordinator",
"timestamp": "2025-04-23T13:20:19.890007Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"problemTypes": [
{
"descriptions": [
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"description": "NVD-CWE-Other",
"lang": "en",
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}
]
}
],
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"dateUpdated": "2025-05-05T13:09:52.390Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"product": "Intel(R) 700 and 722 Series Ethernet Controllers and Adapters",
"vendor": "n/a",
"versions": [
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"status": "affected",
"version": "before versions 8.5 and 1.5.5"
}
]
}
],
"descriptions": [
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}
],
"problemTypes": [
{
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{
"description": "denial of service",
"lang": "en",
"type": "text"
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}
],
"providerMetadata": {
"dateUpdated": "2022-08-18T19:34:49.000Z",
"orgId": "6dda929c-bb53-4a77-a76d-48e79601a1ce",
"shortName": "intel"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00593.html"
}
],
"x_legacyV4Record": {
"CVE_data_meta": {
"ASSIGNER": "secure@intel.com",
"ID": "CVE-2021-33126",
"STATE": "PUBLIC"
},
"affects": {
"vendor": {
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{
"product": {
"product_data": [
{
"product_name": "Intel(R) 700 and 722 Series Ethernet Controllers and Adapters",
"version": {
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},
"data_format": "MITRE",
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"data_version": "4.0",
"description": {
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}
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},
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}
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},
"cveMetadata": {
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"assignerShortName": "intel",
"cveId": "CVE-2021-33126",
"datePublished": "2022-08-18T19:34:49.000Z",
"dateReserved": "2021-05-18T00:00:00.000Z",
"dateUpdated": "2025-05-05T16:48:48.023Z",
"state": "PUBLISHED"
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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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