{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/rhel7els/vex/2021/cve-2021-22946-els_os-rhel7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-05-04T17:15:24Z",
      "generator": {
        "date": "2026-05-04T17:15:24Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2021-22946-ELS_OS-RHEL7ELS",
      "initial_release_date": "2021-09-29T20:15:00Z",
      "revision_history": [
        {
          "date": "2021-09-29T20:15:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-05-04T17:15:24Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2021-22946"
  },
  "product_tree": {
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                "category": "product_name",
                "name": "Red Hat Enterprise Linux 7",
                "product": {
                  "name": "Red Hat Enterprise Linux 7",
                  "product_id": "Red-Hat-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:redhat:enterprise_linux:7:*:*:*:*:*:*:*"
                  }
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              }
            ],
            "category": "product_family",
            "name": "Red Hat Enterprise Linux"
          }
        ],
        "category": "vendor",
        "name": "Red Hat, Inc."
      },
      {
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          {
            "branches": [
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                "name": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
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                  "product_identification_helper": {
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                "product": {
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                  "product_id": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
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            "category": "architecture",
            "name": "x86_64"
          },
          {
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                "name": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
                "product": {
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                  "product_identification_helper": {
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            "category": "architecture",
            "name": "i686"
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        "category": "vendor",
        "name": "TuxCare"
      }
    ],
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          "product_id": "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
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          "product_id": "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
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        "full_product_name": {
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          "product_id": "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
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        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Red-Hat-7"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686 as a component of Red Hat Enterprise Linux 7",
          "product_id": "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686"
        },
        "product_reference": "libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
        "relates_to_product_reference": "Red-Hat-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2021-22946",
      "cwe": {
        "id": "CWE-325",
        "name": "Missing Cryptographic Step"
      },
      "notes": [
        {
          "category": "description",
          "text": "A user can tell curl >= 7.20.0 and <= 7.78.0 to require a successful upgrade to TLS when speaking to an IMAP, POP3 or FTP server (`--ssl-reqd` on the command line or`CURLOPT_USE_SSL` set to `CURLUSESSL_CONTROL` or `CURLUSESSL_ALL` withlibcurl). This requirement could be bypassed if the server would return a properly crafted but perfectly legitimate response.This flaw would then make curl silently continue its operations **withoutTLS** contrary to the instructions and expectations, exposing possibly sensitive data in clear text over the network.",
          "title": "Vulnerability description"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
          "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
          "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2021-22946"
        },
        {
          "category": "external",
          "summary": "http://seclists.org/fulldisclosure/2022/Mar/29",
          "url": "http://seclists.org/fulldisclosure/2022/Mar/29"
        },
        {
          "category": "external",
          "summary": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf",
          "url": "https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf"
        },
        {
          "category": "external",
          "summary": "https://hackerone.com/reports/1334111",
          "url": "https://hackerone.com/reports/1334111"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2021/09/msg00022.html",
          "url": "https://lists.debian.org/debian-lts-announce/2021/09/msg00022.html"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html",
          "url": "https://lists.debian.org/debian-lts-announce/2022/08/msg00017.html"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/APOAK4X73EJTAPTSVT7IRVDMUWVXNWGD/"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RWLEC6YVEM2HWUBX67SDGPSY4CQB72OE/"
        },
        {
          "category": "external",
          "summary": "https://security.gentoo.org/glsa/202212-01",
          "url": "https://security.gentoo.org/glsa/202212-01"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20211029-0003/",
          "url": "https://security.netapp.com/advisory/ntap-20211029-0003/"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20220121-0008/",
          "url": "https://security.netapp.com/advisory/ntap-20220121-0008/"
        },
        {
          "category": "external",
          "summary": "https://support.apple.com/kb/HT213183",
          "url": "https://support.apple.com/kb/HT213183"
        },
        {
          "category": "external",
          "summary": "https://www.debian.org/security/2022/dsa-5197",
          "url": "https://www.debian.org/security/2022/dsa-5197"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuapr2022.html",
          "url": "https://www.oracle.com/security-alerts/cpuapr2022.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujan2022.html",
          "url": "https://www.oracle.com/security-alerts/cpujan2022.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2022.html",
          "url": "https://www.oracle.com/security-alerts/cpujul2022.html"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpuoct2021.html",
          "url": "https://www.oracle.com/security-alerts/cpuoct2021.html"
        }
      ],
      "release_date": "2021-09-29T20:15:00Z",
      "scores": [
        {
          "cvss_v2": {
            "accessComplexity": "LOW",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.0,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "NONE",
            "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
            "version": "2.0"
          },
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red-Hat-7:curl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64",
            "Red-Hat-7:libcurl-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
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            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.i686",
            "Red-Hat-7:libcurl-devel-0:7.29.0-59.0.3.el7_9.2.tuxcare.els2.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "details": "important",
          "product_ids": [
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          ]
        }
      ]
    }
  ]
}