FKIE_CVE-2020-0646

Vulnerability from fkie_nvd - Published: 2020-01-14 23:15 - Updated: 2025-10-29 14:32
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
References
secure@microsoft.comhttp://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.htmlExploit, Third Party Advisory, VDB Entry
secure@microsoft.comhttps://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.htmlExploit, Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646Patch, Vendor Advisory
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646US Government Resource
Impacted products
Vendor Product Version
microsoft .net_framework 3.0
microsoft windows_server_2008 -
microsoft .net_framework 3.5
microsoft windows_10_1607 -
microsoft windows_10_1607 -
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_10_1607 -
microsoft windows_server_2016 -
microsoft .net_framework 3.5
microsoft .net_framework 4.7.1
microsoft .net_framework 4.7.2
microsoft windows_10_1709 -
microsoft windows_10_1709 -
microsoft .net_framework 3.5
microsoft .net_framework 4.7.2
microsoft windows_10_1507 -
microsoft windows_10_1507 -
microsoft windows_10_1803 -
microsoft windows_10_1803 -
microsoft windows_10_1809 -
microsoft windows_10_1809 -
microsoft windows_server_2016 1803
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_server_2016 1909
microsoft windows_server_2019 *
microsoft .net_framework 3.5.1
microsoft windows_7 -
microsoft windows_server_2008 r2
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 4.6.2
microsoft .net_framework 4.7
microsoft .net_framework 4.7.1
microsoft .net_framework 4.7.2
microsoft windows_10_1607 -
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 -
To clipboard 

{
  "cisaActionDue": "2022-05-03",
  "cisaExploitAdd": "2021-11-03",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Microsoft .NET Framework Remote Code Execution Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.0:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "D400E856-2B2E-4CEA-8CA5-309FDF371CEA",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "5E491E46-1917-41FE-8F9A-BB0BDDEB42C3",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "0A1BC97A-263E-4291-8AEF-02EE4E6031E9",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7F51B5F-AA19-4D31-89FA-6DFAC4BA8F0F",
              "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
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A16AD2B0-2189-4E8E-B7FC-CE598CA1CB2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "734112B3-1383-4BE3-8721-C0F84566B764",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "36B0E40A-84EF-4099-A395-75D6B8CDA196",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7A75E-EE27-4AA7-8D84-9D696728A4CE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "5E491E46-1917-41FE-8F9A-BB0BDDEB42C3",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "0A1BC97A-263E-4291-8AEF-02EE4E6031E9",
              "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"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "36B0E40A-84EF-4099-A395-75D6B8CDA196",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7A75E-EE27-4AA7-8D84-9D696728A4CE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "469F95D3-ABBB-4F1A-A000-BE0F6BD60FF6",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "D76003FB-EE99-4D8E-B6A0-B13C2041E5A0",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7A75E-EE27-4AA7-8D84-9D696728A4CE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "A045AC0A-471E-444C-B3B0-4CABC23E8CFB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1507:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "28A7FEE9-B473-48A0-B0ED-A5CC1E44194C",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "D82F8AF7-ED01-4649-849E-F248F0E02384",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "C1CFB53B-B17B-47BD-BAC1-C6C5D168FFB6",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*",
              "matchCriteriaId": "306B7CE6-8239-4AED-9ED4-4C9F5B349F58",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "345FCD64-D37B-425B-B64C-8B1640B7E850",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*",
              "matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E4E76DC-838A-46D7-BC09-E2C149699050",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5:*:*:*:*:*:*:*",
              "matchCriteriaId": "E039CE1F-B988-4741-AE2E-5B36E2AF9688",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "2D3F18AF-84ED-473B-A8DF-65EB23C475AF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "2E332666-2E03-468E-BC30-299816D6E8ED",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1903:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A363CE8F-F399-4B6E-9E7D-349792F95DDB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1909:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "A1B570A8-ED1A-46B6-B8AB-064445F8FC4C",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2016:1909:*:*:*:*:*:*:*",
              "matchCriteriaId": "C253A63F-03AB-41CB-A03A-B2674DEA98AA",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2019:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3E4E76DC-838A-46D7-BC09-E2C149699050",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:3.5.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "8EDC4407-7E92-4E60-82F0-0C87D1860D3A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:itanium:*",
              "matchCriteriaId": "B320A104-9037-487E-BC9A-62B4A6B49FD0",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:r2:sp1:*:*:*:*:x64:*",
              "matchCriteriaId": "AF07A81D-12E5-4B1D-BFF9-C8D08C32FF4F",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.5.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "40B3A045-B08A-44E0-91BE-726753F6A362",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7F51B5F-AA19-4D31-89FA-6DFAC4BA8F0F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "197E82CB-81AF-40F1-A55C-7B596891A783",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C",
              "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
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "280FE663-23BE-45D2-9B31-5F577E390B48",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_server_2008:-:sp2:*:*:*:*:*:*",
              "matchCriteriaId": "5F422A8C-2C4E-42C8-B420-E0728037E15C",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A16AD2B0-2189-4E8E-B7FC-CE598CA1CB2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "734112B3-1383-4BE3-8721-C0F84566B764",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "36B0E40A-84EF-4099-A395-75D6B8CDA196",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7A75E-EE27-4AA7-8D84-9D696728A4CE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*",
              "matchCriteriaId": "0A1BC97A-263E-4291-8AEF-02EE4E6031E9",
              "vulnerable": false
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6:*:*:*:*:*:*:*",
              "matchCriteriaId": "280FE663-23BE-45D2-9B31-5F577E390B48",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "FF0B660D-1F30-4D45-B98B-726EDB8CB90F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "A16AD2B0-2189-4E8E-B7FC-CE598CA1CB2D",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*",
              "matchCriteriaId": "734112B3-1383-4BE3-8721-C0F84566B764",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "36B0E40A-84EF-4099-A395-75D6B8CDA196",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EF7A75E-EE27-4AA7-8D84-9D696728A4CE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7F51B5F-AA19-4D31-89FA-6DFAC4BA8F0F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "197E82CB-81AF-40F1-A55C-7B596891A783",
              "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
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ],
      "operator": "AND"
    },
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*",
              "matchCriteriaId": "2D3F18AF-84ED-473B-A8DF-65EB23C475AF",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "61019899-D7AF-46E4-A72C-D189180F66AB",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1709:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "AC160B20-3EA0-49A0-A857-4E7A1C2D74E2",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_10_1803:-:*:*:*:*:*:*:*",
              "matchCriteriaId": "00345596-E9E0-4096-8DC6-0212F4747A13",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_7:-:sp1:*:*:*:*:*:*",
              "matchCriteriaId": "C2B1C231-DE19-4B8F-A4AA-5B3A65276E46",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "A7F51B5F-AA19-4D31-89FA-6DFAC4BA8F0F",
              "vulnerable": false
            },
            {
              "criteria": "cpe:2.3:o:microsoft:windows_rt_8.1:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "197E82CB-81AF-40F1-A55C-7B596891A783",
              "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": "A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka \u0027.NET Framework Remote Code Execution Injection Vulnerability\u0027."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de ejecuci\u00f3n de c\u00f3digo remota cuando Microsoft .NET Framework presenta un fallo al comprobar la entrada apropiadamente, tambi\u00e9n se conoce como \".NET Framework Remote Code Execution Injection Vulnerability\"."
    }
  ],
  "id": "CVE-2020-0646",
  "lastModified": "2025-10-29T14:32:59.253",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 10.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:N/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 10.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ]
  },
  "published": "2020-01-14T23:15:33.143",
  "references": [
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html"
    },
    {
      "source": "secure@microsoft.com",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Exploit",
        "Third Party Advisory",
        "VDB Entry"
      ],
      "url": "http://packetstormsecurity.com/files/156930/SharePoint-Workflows-XOML-Injection.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0646"
    },
    {
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "tags": [
        "US Government Resource"
      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-0646"
    }
  ],
  "sourceIdentifier": "secure@microsoft.com",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-91"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-91"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




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.