GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2021-21986 (GCVE-0-2021-21986)

Vulnerability from cvelistv5 – Published: 2021-05-26 14:04 – Updated: 2024-08-03 18:30
VLAI
Summary
The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication.
CWE
  • Issue with Authentication mechanism
References
Impacted products
Vendor Product Version CPE status
n/a VMware vCenter Server and VMware Cloud Foundation Affected: VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T18:30:23.588Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "VMware vCenter Server and VMware Cloud Foundation",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Issue with Authentication mechanism",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-05-26T19:06:10.000Z",
        "orgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
        "shortName": "vmware"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@vmware.com",
          "ID": "CVE-2021-21986",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "VMware vCenter Server and VMware Cloud Foundation",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "VMware vCenter Server (7.x before 7.0 U2b, 6.7 before 6.7 U3n, 6.5 before 6.5 U3p) and VMware Cloud Foundation (4.x before 4.2.1, 3.x before 3.10.2.1)"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Issue with Authentication mechanism"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html",
              "refsource": "MISC",
              "url": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html"
            },
            {
              "name": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html",
              "refsource": "MISC",
              "url": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "dcf2e128-44bd-42ed-91e8-88f912c1401d",
    "assignerShortName": "vmware",
    "cveId": "CVE-2021-21986",
    "datePublished": "2021-05-26T14:04:35.000Z",
    "dateReserved": "2021-01-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T18:30:23.588Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2021-21986",
      "date": "2026-09-20",
      "epss": "0.12918",
      "percentile": "0.96128"
    },
    "nvd": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:-:*:*:*:*:*:*",
                    "matchCriteriaId": "23CFE5A5-A166-4FD5-BE97-5F16DAB1EAE0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:a:*:*:*:*:*:*",
                    "matchCriteriaId": "CF7DDB0C-3C07-4B5E-8B8A-0542FEE72877",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:b:*:*:*:*:*:*",
                    "matchCriteriaId": "1DD16169-A7DF-4604-888C-156A60018E32",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:c:*:*:*:*:*:*",
                    "matchCriteriaId": "46FC9F34-C8FA-4AFE-9F4A-7CF9516BD4D9",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:d:*:*:*:*:*:*",
                    "matchCriteriaId": "D26534EB-327B-4ED6-A3E1-005552CB1F9D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:e:*:*:*:*:*:*",
                    "matchCriteriaId": "786CDD50-7E18-4437-8DB9-2D0ADECD436E",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:f:*:*:*:*:*:*",
                    "matchCriteriaId": "B2CE8DAE-0E78-4004-983D-1ECD8855EC33",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1:*:*:*:*:*:*",
                    "matchCriteriaId": "7E51F433-1152-4E94-AF77-970230B1A574",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1b:*:*:*:*:*:*",
                    "matchCriteriaId": "0064D104-E0D8-481A-9029-D3726A1A9CF4",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1c:*:*:*:*:*:*",
                    "matchCriteriaId": "9B4D3F61-6CD9-411F-A205-EB06A57EBB4E",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1d:*:*:*:*:*:*",
                    "matchCriteriaId": "F72A1E9C-F960-4E8C-A46C-B38209E6349E",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1e:*:*:*:*:*:*",
                    "matchCriteriaId": "2C33CE46-F529-4EA9-9344-6ED3BFA7019D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update1g:*:*:*:*:*:*",
                    "matchCriteriaId": "9F1D8161-0E02-45C9-BF61-14799AB65E03",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update2:*:*:*:*:*:*",
                    "matchCriteriaId": "1F2CB1FF-6118-4875-945D-07BAA3A21FFA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update2b:*:*:*:*:*:*",
                    "matchCriteriaId": "1AEDA28A-5C8E-4E95-A377-3BE530DBEAB5",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update2c:*:*:*:*:*:*",
                    "matchCriteriaId": "BDDC6510-3116-4578-80C8-8EF044A8370A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update2d:*:*:*:*:*:*",
                    "matchCriteriaId": "8678DB48-CB98-4E4C-ADE6-CABA73265FEC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update2g:*:*:*:*:*:*",
                    "matchCriteriaId": "DBD9A341-1FBF-4E04-848B-550DEB27261A",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update3:*:*:*:*:*:*",
                    "matchCriteriaId": "4955663C-1BB6-4F3E-9D4B-362DF144B7F1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update3d:*:*:*:*:*:*",
                    "matchCriteriaId": "CE0F8453-3D6C-4F1C-9167-3F02E3D905DC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update3f:*:*:*:*:*:*",
                    "matchCriteriaId": "0EAD4045-A7F9-464F-ABB9-3782941162CC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update3k:*:*:*:*:*:*",
                    "matchCriteriaId": "2F0A79C2-33AE-40C5-A853-770A4C691F29",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.5:update3n:*:*:*:*:*:*",
                    "matchCriteriaId": "D8BB6CBC-11D6-40A4-ABAF-53AB9BED5A73",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:-:*:*:*:*:*:*",
                    "matchCriteriaId": "E456F84C-A86E-4EA9-9A3E-BEEA662136E6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:a:*:*:*:*:*:*",
                    "matchCriteriaId": "5241C282-A02B-44B2-B6CA-BA3A99F9737C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:b:*:*:*:*:*:*",
                    "matchCriteriaId": "04A60AC7-C2EA-4DBF-9743-54D708584AFA",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:d:*:*:*:*:*:*",
                    "matchCriteriaId": "8A91B0C4-F184-459E-AFD3-DE0E351CC964",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update1:*:*:*:*:*:*",
                    "matchCriteriaId": "23253631-2655-48A8-9B00-CB984232329C",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update1b:*:*:*:*:*:*",
                    "matchCriteriaId": "50C2A9A8-0E66-4702-BCD4-74622108E7A6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update2:*:*:*:*:*:*",
                    "matchCriteriaId": "EE4D3E2A-C32D-408F-B811-EF8BC86F0D34",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update2a:*:*:*:*:*:*",
                    "matchCriteriaId": "31CA7802-D78D-4BAD-A45A-68B601C010C6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update2c:*:*:*:*:*:*",
                    "matchCriteriaId": "3B98981B-4721-4752-BAB4-361DB5AEB86F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3:*:*:*:*:*:*",
                    "matchCriteriaId": "04487105-980A-4943-9360-4442BF0411E6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3a:*:*:*:*:*:*",
                    "matchCriteriaId": "24D24E06-EB3F-4F11-849B-E66757B01466",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3b:*:*:*:*:*:*",
                    "matchCriteriaId": "8AF12716-88E2-44B5-ACD7-BCBECA130FB8",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3f:*:*:*:*:*:*",
                    "matchCriteriaId": "3352212C-E820-47B3-BDF5-57018F5B9E81",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3g:*:*:*:*:*:*",
                    "matchCriteriaId": "6436ADFD-6B94-4D2A-B09B-CED4EC6CA276",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3j:*:*:*:*:*:*",
                    "matchCriteriaId": "D06832CE-F946-469D-B495-6735F18D02A0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3l:*:*:*:*:*:*",
                    "matchCriteriaId": "726AC46D-9EA8-4FE8-94B8-0562935458F2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:6.7:update3m:*:*:*:*:*:*",
                    "matchCriteriaId": "0243D22F-1591-4A95-A7FE-2658CEE0C08F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:-:*:*:*:*:*:*",
                    "matchCriteriaId": "5FA81CCD-A05E-498C-820E-21980E92132F",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:a:*:*:*:*:*:*",
                    "matchCriteriaId": "0EE83406-A3D9-4F75-A1A6-63831CEBEEC1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:b:*:*:*:*:*:*",
                    "matchCriteriaId": "FB563627-C9CF-4D8A-B882-9AB65EAE9E15",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:c:*:*:*:*:*:*",
                    "matchCriteriaId": "DCA03B2A-48B2-48AD-B8EB-9D7BB2016819",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:d:*:*:*:*:*:*",
                    "matchCriteriaId": "A2392D0F-D7A2-4E01-9212-1BA6C895AEBF",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update1:*:*:*:*:*:*",
                    "matchCriteriaId": "6D731C1A-9FE5-461C-97E2-6F45E4CBABE1",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update1a:*:*:*:*:*:*",
                    "matchCriteriaId": "8725E544-2A94-4829-A683-1ECCE57A74A6",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update1c:*:*:*:*:*:*",
                    "matchCriteriaId": "0FC6765A-6584-45A8-9B21-4951D2EA8939",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update1d:*:*:*:*:*:*",
                    "matchCriteriaId": "85DD238C-EF73-44F0-928E-A94FF5C4B378",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update2:*:*:*:*:*:*",
                    "matchCriteriaId": "F4CA36C1-732E-41AE-B847-F7411B753F3D",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:vcenter_server:7.0:update2a:*:*:*:*:*:*",
                    "matchCriteriaId": "0DA882B6-D811-4E4B-B614-2D48F0B9036E",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          },
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "B0E65D7D-C5C1-4F9B-A470-2B1E34D2C429",
                    "versionEndExcluding": "3.10.2.1",
                    "versionStartIncluding": "3.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:vmware:cloud_foundation:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "CDD049DD-5223-42EA-BCBF-DC86C2A90D41",
                    "versionEndExcluding": "4.2.1",
                    "versionStartIncluding": "4.0",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The vSphere Client (HTML5) contains a vulnerability in a vSphere authentication mechanism for the Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager, and VMware Cloud Director Availability plug-ins. A malicious actor with network access to port 443 on vCenter Server may perform actions allowed by the impacted plug-ins without authentication."
          },
          {
            "lang": "es",
            "value": "VSphere Client (HTML5) contiene una vulnerabilidad en un mecanismo de autenticaci\u00f3n de vSphere para los plugins Virtual SAN Health Check, Site Recovery, vSphere Lifecycle Manager y VMware Cloud Director Availability.\u0026#xa0;Un actor malicioso con acceso de red al puerto 443 en vCenter Server puede llevar a cabo acciones permitidas por los plugins afectados sin autenticaci\u00f3n"
          }
        ],
        "id": "CVE-2021-21986",
        "lastModified": "2024-11-21T05:49:22.557",
        "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"
            }
          ]
        },
        "published": "2021-05-26T15:15:07.973",
        "references": [
          {
            "source": "security@vmware.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html"
          },
          {
            "source": "security@vmware.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://packetstormsecurity.com/files/162812/VMware-Security-Advisory-2021-0010.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://www.vmware.com/security/advisories/VMSA-2021-0010.html"
          }
        ],
        "sourceIdentifier": "security@vmware.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-306"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2026-03-27T14:53:55+00:00",
      "cve": "CVE-2021-21986",
      "id": "CVE-2021-21986",
      "initial_release_date": "2021-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "CVE-2021-21986",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-21986.json",
      "version": "3"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

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.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

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.


Loading…