CVE-2021-24112 (GCVE-0-2021-24112)
Vulnerability from cvelistv5 – Published: 2021-02-25 23:01 – Updated: 2026-10-07 16:15
VLAI
EPSS
VEX
Title
.NET Core Remote Code Execution Vulnerability
Summary
.NET Core Remote Code Execution Vulnerability
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-07 16:14 UTC
CWE
- Remote Code Execution
- CWE-94 - Improper Control of Generation of Code ('Code Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://portal.msrc.microsoft.com/en-US/security-… | x_refsource_MISC |
Impacted products
5 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | Visual Studio 2019 for Mac |
Affected:
8.0.0 , < publication
(custom)
cpe:2.3:a:microsoft:visual_studio_2019:-:*:*:*:*:macos:*:* |
||
| Microsoft | Mono 6.12.0 |
Affected:
6.12.0 , < publication
(custom)
cpe:2.3:a:microsoft:mono:*:*:*:*:*:*:*:* |
||
| Microsoft | .NET Core 2.1 |
Affected:
2.1 , < publication
(custom)
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* |
||
| Microsoft | .NET Core 3.1 |
Affected:
3.1 , < publication
(custom)
cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:* |
||
| Microsoft | .NET 5.0 |
Affected:
5.0.0 , < publication
(custom)
cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:* |
Date Public
2021-02-09 08:00
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],
"platforms": [
"Unknown"
],
"product": "Mono 6.12.0",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "6.12.0",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"
],
"platforms": [
"Unknown"
],
"product": ".NET Core 2.1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "2.1",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:.net_core:*:*:*:*:*:*:*:*"
],
"platforms": [
"Unknown"
],
"product": ".NET Core 3.1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "3.1",
"versionType": "custom"
}
]
},
{
"cpes": [
"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*"
],
"platforms": [
"Unknown"
],
"product": ".NET 5.0",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "publication",
"status": "affected",
"version": "5.0.0",
"versionType": "custom"
}
]
}
],
"datePublic": "2021-02-09T08:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": ".NET Core Remote Code Execution Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 8.1,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "Remote Code Execution",
"lang": "en-US",
"type": "Impact"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2023-12-29T22:33:25.762Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"tags": [
"x_refsource_MISC"
],
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2021-24112"
}
],
"title": ".NET Core Remote Code Execution Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2021-24112",
"datePublished": "2021-02-25T23:01:57.000Z",
"dateReserved": "2021-01-13T00:00:00.000Z",
"dateUpdated": "2026-10-07T16:15:01.956Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
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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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