fkie_nvd - fkie_cve-2020-1476

FKIE_CVE-2020-1476

Vulnerability from fkie_nvd - Published: 2020-08-17 19:15 - Updated: 2024-11-21 05:10

Severity ?

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Summary

An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files. To exploit this vulnerability, an attacker would need to send a specially crafted request to an affected server. The update addresses the vulnerability by changing how ASP.NET and .NET handle requests.

References

	URL	Tags
	secure@microsoft.com	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476	Patch, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476	Patch, Vendor Advisory

Impacted products

Vendor	Product	Version
microsoft	.net_framework	2.0
microsoft	windows_server_2008	-
microsoft	.net_framework	3.5
microsoft	windows_8.1	-
microsoft	windows_server_2012	-
microsoft	windows_server_2012	r2
microsoft	.net_framework	3.5
microsoft	.net_framework	4.6.2
microsoft	.net_framework	4.7
microsoft	.net_framework	4.7.1
microsoft	.net_framework	4.7.2
microsoft	windows_10	1607
microsoft	windows_server_2016	-
microsoft	.net_framework	3.5
microsoft	.net_framework	4.6
microsoft	.net_framework	4.6.1
microsoft	.net_framework	4.6.2
microsoft	windows_10	-
microsoft	.net_framework	3.5
microsoft	.net_framework	4.7.1
microsoft	.net_framework	4.7.2
microsoft	windows_10	1709
microsoft	.net_framework	3.5
microsoft	.net_framework	4.7.2
microsoft	windows_10	1803
microsoft	windows_10	1809
microsoft	windows_server_2019	-
microsoft	.net_framework	3.5
microsoft	.net_framework	4.8
microsoft	windows_10	1809
microsoft	windows_10	1903
microsoft	windows_10	1909
microsoft	windows_10	2004
microsoft	windows_server_2019	-
microsoft	.net_framework	3.5.1
microsoft	windows_7	sp1
microsoft	windows_server_2008	r2
microsoft	.net_framework	4.5.2
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2008	-
microsoft	windows_server_2008	r2
microsoft	windows_server_2012	-
microsoft	windows_server_2012	r2
microsoft	.net_framework	4.6
microsoft	windows_server_2008	-
microsoft	.net_framework	4.6
microsoft	.net_framework	4.6.1
microsoft	.net_framework	4.6.2
microsoft	.net_framework	4.7
microsoft	.net_framework	4.7.1
microsoft	.net_framework	4.7.2
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2008	r2
microsoft	windows_server_2012	-
microsoft	windows_server_2012	r2
microsoft	.net_framework	4.8
microsoft	windows_10	1607
microsoft	windows_10	1709
microsoft	windows_10	1803
microsoft	windows_7	-
microsoft	windows_8.1	-
microsoft	windows_rt_8.1	-
microsoft	windows_server_2008	r2
microsoft	windows_server_2012	-
microsoft	windows_server_2012	r2
microsoft	windows_server_2016	-

JSON

To clipboard

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              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*",
              "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7DF96F8-BA6A-4780-9CA3-F719B3F81074",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB18C4CE-5917-401E-ACF7-2747084FD36E",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files.\nTo exploit this vulnerability, an attacker would need to send a specially crafted request to an affected server.\nThe update addresses the vulnerability by changing how ASP.NET and .NET handle requests.\n"
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de elevaci\u00f3n de privilegios cuando las aplicaciones web ASP.NET o .NET que se ejecutan en IIS, permiten inapropiadamente el acceso a archivos almacenados en cach\u00e9, tambi\u00e9n se conoce como \"ASP.NET and .NET Elevation of Privilege Vulnerability\"."
    }
  ],
  "id": "CVE-2020-1476",
  "lastModified": "2024-11-21T05:10:38.363",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "LOW",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "LOCAL",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 2.1,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "NONE",
          "vectorString": "AV:L/AC:L/Au:N/C:P/I:N/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 2.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "NONE",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-08-17T19:15:15.367",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2020-1476 (GCVE-0-2020-1476)

Vulnerability from cvelistv5 – Published: 2020-08-17 19:13 – Updated: 2024-08-04 06:39

Summary

Severity ?

No CVSS data available.

CWE

Elevation of Privilege

Assigner

microsoft

References

URL

Tags

https://portal.msrc.microsoft.com/en-US/security-…

x_refsource_MISC

Impacted products

Vendor

Product

Version

Microsoft

Microsoft .NET Framework 4.8

Affected: 4.8.0 , < publication (custom)
cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:*

Microsoft	Microsoft .NET Framework 3.5 AND 4.8	Affected: 4.8.0 , < publication (custom) cpe:2.3:a:microsoft:.net:4.8:::::::*
Microsoft	Microsoft .NET Framework 2.0 Service Pack 2	Affected: 2.0.0 , < publication (custom) cpe:2.3:a:microsoft:.net:2.0:sp2::::::
Microsoft	Microsoft .NET Framework 4.5.2	Affected: 4.0.0.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework:4.5.2:::::::*
Microsoft	Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2	Affected: 4.0.0.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.2	Affected: 4.7.0 , < publication (custom) cpe:2.3:a:microsoft:.net:4.7.2:::::::*
Microsoft	Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2	Affected: 3.0.0.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework:3.5:::::::*
Microsoft	Microsoft .NET Framework 3.5 AND 4.6/4.6.1/4.6.2	Affected: 3.5.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework::::::::
Microsoft	Microsoft .NET Framework 3.5 AND 4.7.1/4.7.2	Affected: 3.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework::::::::
Microsoft	Microsoft .NET Framework 4.6	Affected: 4.0.0.0 , < publication (custom) cpe:2.3:a:microsoft:.net_framework:4.6:::::::*
Microsoft	Microsoft .NET Framework 3.5	Affected: 3.5.0 , < publication (custom) cpe:2.3:a:microsoft:.net:3.5:::::::*
Microsoft	Microsoft .NET Framework 3.5.1	Affected: 3.5.0 , < publication (custom) cpe:2.3:a:microsoft:.net:3.5.1:::::::*

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-04T06:39:10.505Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476"
          }
        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:*"
          ],
          "platforms": [
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            "Windows 10 Version 1709 for 32-bit Systems",
            "Windows 10 Version 1803 for 32-bit Systems",
            "Windows 10 Version 1803 for x64-based Systems",
            "Windows 10 Version 1709 for x64-based Systems",
            "Windows 8.1 for x64-based systems",
            "Windows 8.1 for 32-bit systems",
            "Windows 7 for 32-bit Systems Service Pack 1",
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            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
            "Windows RT 8.1"
          ],
          "product": "Microsoft .NET Framework 4.8",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "4.8.0",
              "versionType": "custom"
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          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net:4.8:*:*:*:*:*:*:*"
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          "platforms": [
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            "Windows Server 2019",
            "Windows 10 Version 1809 for 32-bit Systems",
            "Windows Server 2019 (Server Core installation)",
            "Windows 10 Version 1809 for x64-based Systems",
            "Windows 10 Version 1903 for ARM64-based Systems",
            "Windows 10 Version 1909 for x64-based Systems",
            "Windows 10 Version 1903 for 32-bit Systems",
            "Windows 10 Version 1909 for ARM64-based Systems",
            "Windows 10 Version 2004 for ARM64-based Systems",
            "Windows Server, version 1909 (Server Core installation)",
            "Windows Server, version 1903 (Server Core installation)",
            "Windows 10 Version 1903 for x64-based Systems",
            "Windows Server, version 2004 (Server Core installation)",
            "Windows 10 Version 2004 for x64-based Systems",
            "Windows 10 Version 2004 for 32-bit Systems"
          ],
          "product": "Microsoft .NET Framework 3.5 AND 4.8",
          "vendor": "Microsoft",
          "versions": [
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              "status": "affected",
              "version": "4.8.0",
              "versionType": "custom"
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          ]
        },
        {
          "cpes": [
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          ],
          "platforms": [
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            "Windows Server 2008 for x64-based Systems Service Pack 2"
          ],
          "product": "Microsoft .NET Framework 2.0 Service Pack 2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "2.0.0",
              "versionType": "custom"
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        },
        {
          "cpes": [
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          ],
          "platforms": [
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            "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
            "Windows 8.1 for 32-bit systems",
            "Windows 7 for x64-based Systems Service Pack 1",
            "Windows 7 for 32-bit Systems Service Pack 1",
            "Windows Server 2012 R2",
            "Windows Server 2012",
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
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            "Windows Server 2008 for x64-based Systems Service Pack 2",
            "Windows Server 2008 for 32-bit Systems Service Pack 2",
            "Windows 8.1 for x64-based systems",
            "Windows Server 2012 (Server Core installation)"
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          "product": "Microsoft .NET Framework 4.5.2",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "4.0.0.0",
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            }
          ]
        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*"
          ],
          "platforms": [
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            "Windows Server 2012 R2",
            "Windows Server 2012 R2 (Server Core installation)",
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
            "Windows Server 2012",
            "Windows Server 2012 (Server Core installation)",
            "Windows 7 for x64-based Systems Service Pack 1",
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)",
            "Windows 8.1 for x64-based systems",
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          "product": "Microsoft .NET Framework 4.6/4.6.1/4.6.2/4.7/4.7.1/4.7.2",
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          "platforms": [
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            "Windows Server 2008 for x64-based Systems Service Pack 2"
          ],
          "product": "Microsoft .NET Framework 4.6",
          "vendor": "Microsoft",
          "versions": [
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              "lessThan": "publication",
              "status": "affected",
              "version": "4.0.0.0",
              "versionType": "custom"
            }
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        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net:3.5:*:*:*:*:*:*:*"
          ],
          "platforms": [
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            "Windows 8.1 for 32-bit systems",
            "Windows Server 2012 R2 (Server Core installation)",
            "Windows Server 2012 R2"
          ],
          "product": "Microsoft .NET Framework 3.5",
          "vendor": "Microsoft",
          "versions": [
            {
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              "version": "3.5.0",
              "versionType": "custom"
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        },
        {
          "cpes": [
            "cpe:2.3:a:microsoft:.net:3.5.1:*:*:*:*:*:*:*"
          ],
          "platforms": [
            "Windows Server 2008 R2 for x64-based Systems Service Pack 1",
            "Windows 7 for x64-based Systems Service Pack 1",
            "Windows 7 for 32-bit Systems Service Pack 1"
          ],
          "product": "Microsoft .NET Framework 3.5.1",
          "vendor": "Microsoft",
          "versions": [
            {
              "lessThan": "publication",
              "status": "affected",
              "version": "3.5.0",
              "versionType": "custom"
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      "datePublic": "2020-08-11T07:00:00+00:00",
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          "lang": "en-US",
          "value": "An elevation of privilege vulnerability exists when ASP.NET or .NET web applications running on IIS improperly allow access to cached files. An attacker who successfully exploited this vulnerability could gain access to restricted files.\nTo exploit this vulnerability, an attacker would need to send a specially crafted request to an affected server.\nThe update addresses the vulnerability by changing how ASP.NET and .NET handle requests.\n"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Elevation of Privilege",
              "lang": "en-US",
              "type": "Impact"
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      "providerMetadata": {
        "dateUpdated": "2024-05-29T16:32:52.630Z",
        "orgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1476"
        }
      ],
      "title": "ASP.NET and .NET Elevation of Privilege Vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "f38d906d-7342-40ea-92c1-6c4a2c6478c8",
    "assignerShortName": "microsoft",
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    "datePublished": "2020-08-17T19:13:06",
    "dateReserved": "2019-11-04T00:00:00",
    "dateUpdated": "2024-08-04T06:39:10.505Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date

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.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2020-1476

CVE-2020-1476 (GCVE-0-2020-1476)

Tags

Sightings

Nomenclature