CVE-2024-29059 (GCVE-0-2024-29059)
Vulnerability from cvelistv5 – Published: 2024-03-22 23:09 – Updated: 2025-10-21 23:05Title
.NET Framework Information Disclosure Vulnerability
Summary
.NET Framework Information Disclosure Vulnerability
Severity
SSVC
Exploitation: active
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-04 15:47 UTC
CWE
- CWE-209 - Generation of Error Message Containing Sensitive Information
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisory |
| https://www.cisa.gov/known-exploited-vulnerabilit… | government-resource |
Impacted products
11 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Microsoft | Microsoft .NET Framework 4.8 |
Affected:
4.8.0 , < 4.8.04690.02
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 |
Affected:
4.8.0 , < 4.8.04690.02
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 |
Affected:
4.7.0 , < 4.7.04081.03
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 |
Affected:
4.7.0 , < 4.7.04081.03
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 |
Affected:
4.8.1 , < 4.8.09214.01
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 4.6.2 |
Affected:
4.7.0 , < 4.7.04081.03
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6/4.6.2 |
Affected:
10.0.0 , < 10.0.10240.20402
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 |
Affected:
2.0.0 , < 3.0.50727.8976
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 |
Affected:
3.0.0 , < 3.0.50727.8976
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5 |
Affected:
3.5.0 , < 3.0.50727.8976
(custom)
|
guessed | |
| Microsoft | Microsoft .NET Framework 3.5.1 |
Affected:
3.5.0 , < 3.0.30729.8959
(custom)
|
guessed |
Date Public
2024-03-22 07:00
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 9cd6869d-8952-41f9-8011-0ac33195e106
Exploited: Yes
Timestamps
First Seen: 2025-02-04
Asserted: 2025-02-04
Scope
Notes: KEV entry: Microsoft .NET Framework Information Disclosure Vulnerability | Affected: Microsoft / .NET Framework | Description: Microsoft .NET Framework contains an information disclosure vulnerability that exposes the ObjRef URI to an attacker, ultimately enabling remote code execution. | Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2025-02-25 | Known ransomware campaign use (KEV): Unknown | Notes (KEV): https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059 ; https://nvd.nist.gov/vuln/detail/CVE-2024-29059
Evidence
Type: Vendor Report
Signal: Successful Exploitation
Confidence: 80%
Source: cisa-kev
Details
| Cwes | CWE-209 |
|---|---|
| Feed | CISA Known Exploited Vulnerabilities Catalog |
| Product | .NET Framework |
| Due Date | 2025-02-25 |
| Date Added | 2025-02-04 |
| Vendorproject | Microsoft |
| Vulnerabilityname | Microsoft .NET Framework Information Disclosure Vulnerability |
| Knownransomwarecampaignuse | Unknown |
References
Created: 2026-02-02 13:24 UTC
| Updated: 2026-02-06 07:53 UTC
Shadowserver
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 84dc98b8-8836-4a01-889c-bd5fb4897f57
Exploited: Yes
Characteristics
Severity:
75.0
Timestamps
First Seen: 2024-04-27
Asserted: 2024-04-27
Last Seen: 2026-09-07
Scope
Asset Exposure: ['internet-facing']
Notes: Affected: Microsoft / .NET Framework | Class: other-software | Severity: High (CVSS 7.5) | IoT: no | In CISA KEV: yes | Honeypot connections on 2026-09-07: 9
Evidence
Type: Honeypot
Signal: In The Wild Attempts
Confidence: 70%
Source: shadowserver
Details
| 1D | 8 |
|---|---|
| Iot | no |
| Feed | Shadowserver Foundation honeypot/exploited-vulnerabilities |
| Type | http-scan |
| Class | other-software |
| 7D Avg | 6 |
| Vendor | Microsoft |
| 30D Avg | 5 |
| 90D Avg | 7 |
| Product | .NET Framework |
| Cisa Kev | yes |
| Connections | 9 |
| Observation Date | 2026-09-07 |
| Vulnerability Class | CVSS |
| Vulnerability Score | 7.5 |
| Vulnerability Severity | High |
References
Created: 2026-07-01 05:53 UTC
| Updated: 2026-09-09 01:00 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 52d85d1e-37a2-4c98-a2de-ff0a753d4886
Exploited: Yes
Timestamps
First Seen: 2025-02-04
Asserted: 2025-02-04
Scope
Notes: KEVIntel entry: .NET Framework Information Disclosure Vulnerability | Affected: Microsoft / Microsoft .NET Framework 4.8, Microsoft .NET Framework 3.5 AND 4.8, Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 3.5 AND 4.8.1, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 3.5 AND 4.6/4.6.2, Microsoft .NET Framework 2.0 Service Pack 2, Microsoft .NET Framework 3.0 Service Pack 2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1 | CVSS: 7.5 (HIGH) | EPSS: 0.98832 | Used in malware: unknown | Not yet in CISA KEV: False
Evidence
Type: Public Report
Signal: Successful Exploitation
Confidence: 70%
Source: kevintel
Details
| Feed | KEVIntel (kevintel.com) |
|---|---|
| Title | .NET Framework Information Disclosure Vulnerability |
| Vendor | Microsoft |
| Product | Microsoft .NET Framework 4.8, Microsoft .NET Framework 3.5 AND 4.8, Microsoft .NET Framework 3.5 AND 4.7.2, Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2, Microsoft .NET Framework 3.5 AND 4.8.1, Microsoft .NET Framework 4.6.2, Microsoft .NET Framework 3.5 AND 4.6/4.6.2, Microsoft .NET Framework 2.0 Service Pack 2, Microsoft .NET Framework 3.0 Service Pack 2, Microsoft .NET Framework 3.5, Microsoft .NET Framework 3.5.1 |
| Added Date | 2025-02-04T00:00:00.000Z |
| Cvss Score | 7.5 |
| Epss Score | 0.98832 |
| Cvss Severity | HIGH |
| Epss Percentile | 0.9992 |
| Used In Malware | unknown |
| Ahead Of Cisa Kev | None |
| Not Yet In Cisa Kev | False |
References
Created: 2026-06-23 11:14 UTC
| Updated: 2026-06-23 11:14 UTC
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"Windows 10 Version 1607 for 32-bit Systems",
"Windows 10 Version 1607 for x64-based Systems",
"Windows Server 2016",
"Windows Server 2016 (Server Core installation)",
"Windows Server 2008 R2 for x64-based Systems Service Pack 1",
"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
"Windows Server 2012",
"Windows Server 2012 (Server Core installation)",
"Windows Server 2012 R2",
"Windows Server 2012 R2 (Server Core installation)"
],
"product": "Microsoft .NET Framework 4.8",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.8.04690.02",
"status": "affected",
"version": "4.8.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows 10 Version 1809 for 32-bit Systems",
"Windows 10 Version 1809 for x64-based Systems",
"Windows Server 2019",
"Windows Server 2019 (Server Core installation)",
"Windows Server 2022",
"Windows Server 2022 (Server Core installation)",
"Windows 11 version 21H2 for x64-based Systems",
"Windows 11 version 21H2 for ARM64-based Systems",
"Windows 10 Version 21H2 for 32-bit Systems",
"Windows 10 Version 21H2 for ARM64-based Systems",
"Windows 10 Version 21H2 for x64-based Systems",
"Windows 10 Version 22H2 for x64-based Systems",
"Windows 10 Version 22H2 for ARM64-based Systems",
"Windows 10 Version 22H2 for 32-bit Systems"
],
"product": "Microsoft .NET Framework 3.5 AND 4.8",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.8.04690.02",
"status": "affected",
"version": "4.8.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows 10 Version 1809 for x64-based Systems",
"Windows Server 2019",
"Windows Server 2019 (Server Core installation)",
"Windows 10 Version 1607 for 32-bit Systems",
"Windows 10 Version 1607 for x64-based Systems",
"Windows Server 2016",
"Windows Server 2016 (Server Core installation)"
],
"product": "Microsoft .NET Framework 3.5 AND 4.7.2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.7.04081.03",
"status": "affected",
"version": "4.7.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2008 R2 for x64-based Systems Service Pack 1",
"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
"Windows Server 2012",
"Windows Server 2012 (Server Core installation)",
"Windows Server 2012 R2",
"Windows Server 2012 R2 (Server Core installation)"
],
"product": "Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.7.04081.03",
"status": "affected",
"version": "4.7.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2022",
"Windows Server 2022 (Server Core installation)",
"Windows 11 version 21H2 for x64-based Systems",
"Windows 11 version 21H2 for ARM64-based Systems",
"Windows 10 Version 21H2 for 32-bit Systems",
"Windows 10 Version 21H2 for ARM64-based Systems",
"Windows 10 Version 21H2 for x64-based Systems",
"Windows 11 Version 22H2 for ARM64-based Systems",
"Windows 11 Version 22H2 for x64-based Systems",
"Windows 10 Version 22H2 for x64-based Systems",
"Windows 10 Version 22H2 for ARM64-based Systems",
"Windows 10 Version 22H2 for 32-bit Systems",
"Windows 11 Version 23H2 for ARM64-based Systems",
"Windows 11 Version 23H2 for x64-based Systems",
"Windows Server 2022, 23H2 Edition (Server Core installation)"
],
"product": "Microsoft .NET Framework 3.5 AND 4.8.1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.8.09214.01",
"status": "affected",
"version": "4.8.1",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2008 for 32-bit Systems Service Pack 2",
"Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
"Windows Server 2008 for x64-based Systems Service Pack 2",
"Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)"
],
"product": "Microsoft .NET Framework 4.6.2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "4.7.04081.03",
"status": "affected",
"version": "4.7.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows 10 for 32-bit Systems",
"Windows 10 for x64-based Systems"
],
"product": "Microsoft .NET Framework 3.5 AND 4.6/4.6.2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "10.0.10240.20402",
"status": "affected",
"version": "10.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2008 for 32-bit Systems Service Pack 2",
"Windows Server 2008 for x64-based Systems Service Pack 2"
],
"product": "Microsoft .NET Framework 2.0 Service Pack 2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "3.0.50727.8976",
"status": "affected",
"version": "2.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2008 for 32-bit Systems Service Pack 2",
"Windows Server 2008 for x64-based Systems Service Pack 2"
],
"product": "Microsoft .NET Framework 3.0 Service Pack 2",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "3.0.50727.8976",
"status": "affected",
"version": "3.0.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2012",
"Windows Server 2012 (Server Core installation)",
"Windows Server 2012 R2",
"Windows Server 2012 R2 (Server Core installation)"
],
"product": "Microsoft .NET Framework 3.5",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "3.0.50727.8976",
"status": "affected",
"version": "3.5.0",
"versionType": "custom"
}
]
},
{
"platforms": [
"Windows Server 2008 R2 for x64-based Systems Service Pack 1",
"Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)"
],
"product": "Microsoft .NET Framework 3.5.1",
"vendor": "Microsoft",
"versions": [
{
"lessThan": "3.0.30729.8959",
"status": "affected",
"version": "3.5.0",
"versionType": "custom"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.8.04690.02",
"versionStartIncluding": "4.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.8.04690.02",
"versionStartIncluding": "4.8.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.7.04081.03",
"versionStartIncluding": "4.7.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.7.04081.03",
"versionStartIncluding": "4.7.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.8.09214.01",
"versionStartIncluding": "4.8.1",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "4.7.04081.03",
"versionStartIncluding": "4.7.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "10.0.10240.20402",
"versionStartIncluding": "10.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*",
"versionEndExcluding": "3.0.50727.8976",
"versionStartIncluding": "2.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:sp2:*:*:*:*:*:*",
"versionEndExcluding": "3.0.50727.8976",
"versionStartIncluding": "3.0.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.0.50727.8976",
"versionStartIncluding": "3.5.0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*",
"versionEndExcluding": "3.0.30729.8959",
"versionStartIncluding": "3.5.0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
]
}
],
"datePublic": "2024-03-22T07:00:00.000Z",
"descriptions": [
{
"lang": "en-US",
"value": ".NET Framework Information Disclosure Vulnerability"
}
],
"metrics": [
{
"cvssV3_1": {
"baseScore": 7.5,
"baseSeverity": "HIGH",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C",
"version": "3.1"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en-US",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-209",
"description": "CWE-209: Generation of Error Message Containing Sensitive Information",
"lang": "en-US",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2025-05-03T00:47:14.222Z",
"orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"shortName": "microsoft"
},
"references": [
{
"name": ".NET Framework Information Disclosure Vulnerability",
"tags": [
"vendor-advisory"
],
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-29059"
}
],
"title": ".NET Framework Information Disclosure Vulnerability"
}
},
"cveMetadata": {
"assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
"assignerShortName": "microsoft",
"cveId": "CVE-2024-29059",
"datePublished": "2024-03-22T23:09:05.745Z",
"dateReserved": "2024-03-14T23:05:27.954Z",
"dateUpdated": "2025-10-21T23:05:22.579Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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