Vulnerability-Lookup

CVE-2019-20790 (GCVE-0-2019-20790)

Vulnerability from cvelistv5 – Published: 2020-04-27 14:00 – Updated: 2024-08-05 02:53

Summary

OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.

Severity

9.8 (Critical)


                        
                          CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CWE

Assigner

mitre mitre root

References

5 references

URL	Tags
https://www.usenix.org/system/files/sec20fall_che…	x_refsource_MISC
https://sourceforge.net/p/opendmarc/tickets/235/	x_refsource_MISC
https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816	x_refsource_MISC
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA
https://lists.fedoraproject.org/archives/list/pac…	vendor-advisoryx_refsource_FEDORA

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    "redhat_vex": {
      "current_release_date": "2026-01-13T21:33:37+00:00",
      "cve": "CVE-2019-20790",
      "id": "CVE-2019-20790",
      "initial_release_date": "2019-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "opendmarc: Two vulnerabilities in openDMARC 1.3.2",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-20790.json",
      "version": "3"
    }
  }
}

CNVD-2020-27488

Vulnerability from cnvd - Published: 2020-05-10

Title

OpenDMARC存在未明漏洞（CNVD-2020-27488）

Description

OpenDMARC是The Trusted Domain项目的一款DMARC（基于域的消息认证、报告和一致性）规范的开源实现。 OpenDMARC存在未明漏洞。攻击者可利用该漏洞绕过SPF及DMARC身份验证。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://sourceforge.net/projects/opendmarc/

Reference

https://nvd.nist.gov/vuln/detail/CVE-2019-20790

Impacted products

Name
['OpenDMARC OpenDMARC <=1.3.2', 'OpenDMARC OpenDMARC 1.4.*']

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2019-20790"
    }
  },
  "description": "OpenDMARC\u662fThe Trusted Domain\u9879\u76ee\u7684\u4e00\u6b3eDMARC\uff08\u57fa\u4e8e\u57df\u7684\u6d88\u606f\u8ba4\u8bc1\u3001\u62a5\u544a\u548c\u4e00\u81f4\u6027\uff09\u89c4\u8303\u7684\u5f00\u6e90\u5b9e\u73b0\u3002\n\nOpenDMARC\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u7ed5\u8fc7SPF\u53caDMARC\u8eab\u4efd\u9a8c\u8bc1\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://sourceforge.net/projects/opendmarc/",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2020-27488",
  "openTime": "2020-05-10",
  "products": {
    "product": [
      "OpenDMARC OpenDMARC \u003c=1.3.2",
      "OpenDMARC OpenDMARC 1.4.*"
    ]
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2019-20790",
  "serverity": "\u4e2d",
  "submitTime": "2020-04-28",
  "title": "OpenDMARC\u5b58\u5728\u672a\u660e\u6f0f\u6d1e\uff08CNVD-2020-27488\uff09"
}

FKIE_CVE-2019-20790

Vulnerability from fkie_nvd - Published: 2020-04-27 14:15 - Updated: 2026-06-17 02:31

Severity

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

Summary

References

URL	Tags
cve@mitre.org	https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816	Exploit, Third Party Advisory
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
cve@mitre.org	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
cve@mitre.org	https://sourceforge.net/p/opendmarc/tickets/235/	Exploit, Third Party Advisory
cve@mitre.org	https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf	Technical Description, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/
af854a3a-2127-422b-91ae-364da2661108	https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/
af854a3a-2127-422b-91ae-364da2661108	https://sourceforge.net/p/opendmarc/tickets/235/	Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf	Technical Description, Third Party Advisory

Impacted products

Vendor	Product	Version
trusteddomain	opendmarc	*
trusteddomain	opendmarc	1.4.0
pypolicyd-spf_project	pypolicyd-spf	2.0.2
fedoraproject	fedora	33
fedoraproject	fedora	34

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:trusteddomain:opendmarc:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "40D64B0E-E31D-4C26-8E33-814A4ED4C4AC",
              "versionEndIncluding": "1.3.2",
              "versionStartIncluding": "1.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        },
        {
          "cpeMatch": [
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              "criteria": "cpe:2.3:a:trusteddomain:opendmarc:1.4.0:*:*:*:*:*:*:*",
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              "vulnerable": true
            }
          ],
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          "operator": "OR"
        },
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              "matchCriteriaId": "A990DBDB-9CE1-49B1-8099-F8FEA81C0272",
              "vulnerable": true
            }
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          "negate": false,
          "operator": "OR"
        }
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      "operator": "AND"
    },
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              "matchCriteriaId": "E460AA51-FCDA-46B9-AE97-E6676AA5E194",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "A930E247-0B43-43CB-98FF-6CE7B8189835",
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  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field."
    },
    {
      "lang": "es",
      "value": "OpenDMARC versiones hasta 1.3.2 y versiones 1.4.x, cuando es usado con pypolicyd-spf versi\u00f3n 2.0.2, permite ataques que omiten la autenticaci\u00f3n SPF y DMARC en situaciones en las que el campo HELO es inconsistente con el campo MAIL FROM."
    }
  ],
  "id": "CVE-2019-20790",
  "lastModified": "2026-06-17T02:31:12.060",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 6.4,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
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        "source": "nvd@nist.gov",
        "type": "Primary",
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    ],
    "cvssMetricV31": [
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          "attackVector": "NETWORK",
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          "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": "2020-04-27T14:15:11.127",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/"
    },
    {
      "source": "cve@mitre.org",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
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      "url": "https://sourceforge.net/p/opendmarc/tickets/235/"
    },
    {
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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      "url": "https://sourceforge.net/p/opendmarc/tickets/235/"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
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        "Third Party Advisory"
      ],
      "url": "https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-290"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-6PPH-69RG-FPW6

Vulnerability from github – Published: 2022-05-24 17:16 – Updated: 2022-11-16 12:00

Details

Severity

9.8 (Critical)


                  
                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Show details on source website

JSON

To clipboard

{
  "affected": [],
  "aliases": [
    "CVE-2019-20790"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-290"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2020-04-27T14:15:00Z",
    "severity": "MODERATE"
  },
  "details": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.",
  "id": "GHSA-6pph-69rg-fpw6",
  "modified": "2022-11-16T12:00:19Z",
  "published": "2022-05-24T17:16:33Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-20790"
    },
    {
      "type": "WEB",
      "url": "https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816"
    },
    {
      "type": "WEB",
      "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B"
    },
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    },
    {
      "type": "WEB",
      "url": "https://sourceforge.net/p/opendmarc/tickets/235"
    },
    {
      "type": "WEB",
      "url": "https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}

GSD-2019-20790

Vulnerability from gsd - Updated: 2023-12-13 01:23

Details

Aliases

CVE-2019-20790

Aliases

CVE-2019-20790

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2019-20790",
    "description": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.",
    "id": "GSD-2019-20790",
    "references": [
      "https://advisories.mageia.org/CVE-2019-20790.html",
      "https://security.archlinux.org/CVE-2019-20790"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2019-20790"
      ],
      "details": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.",
      "id": "GSD-2019-20790",
      "modified": "2023-12-13T01:23:42.688951Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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      },
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                "product_data": [
                  {
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    },
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          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "cwe_ids": [
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          ],
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          ],
          "not_impacted": "",
          "package_slug": "pypi/pypolicyd-spf",
          "pubdate": "2020-04-27",
          "solution": "Unfortunately, there is no solution available yet.",
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            {
              "lang": "en",
              "value": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field."
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-290"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://sourceforge.net/p/opendmarc/tickets/235/",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://sourceforge.net/p/opendmarc/tickets/235/"
            },
            {
              "name": "https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816",
              "refsource": "MISC",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816"
            },
            {
              "name": "https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf",
              "refsource": "MISC",
              "tags": [
                "Technical Description",
                "Third Party Advisory"
              ],
              "url": "https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf"
            },
            {
              "name": "FEDORA-2021-1ec3c5ed63",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/2D4JGHMALEJEWWG56DKR5OZB22TK7W5B/"
            },
            {
              "name": "FEDORA-2021-433e7d72ce",
              "refsource": "FEDORA",
              "tags": [
                "Mailing List",
                "Third Party Advisory"
              ],
              "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/KBOGOQOK3TIWWJV66MW5YWNRJAFFYGR5/"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "PARTIAL",
            "baseScore": 6.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 6.4,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2022-11-16T03:18Z",
      "publishedDate": "2020-04-27T14:15Z"
    }
  }
}

UBUNTU-CVE-2019-20790 (CVE-2019-20790)

Vulnerability from osv_ubuntu – Published: 2020-04-27 14:15 – Updated: 2026-05-20 14:51 – Source website

Details

Severity

9.8 (Critical)


                    
                      CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2019-20790	REPORT
	https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816	REPORT
	https://sourceforge.net/p/opendmarc/tickets/235/	REPORT
	https://www.usenix.org/system/files/sec20fall_che…	REPORT
	https://www.cve.org/CVERecord?id=CVE-2019-20790	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2",
            "binary_version": "1.3.1+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.3.1+dfsg-3ubuntu0.1~esm1"
          },
          {
            "binary_name": "rddmarc",
            "binary_version": "1.3.1+dfsg-3ubuntu0.1~esm1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:16.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.3.1+dfsg-3ubuntu0.1~esm1?arch=source\u0026distro=esm-apps/xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.1+dfsg-2",
        "1.3.1+dfsg-3",
        "1.3.1+dfsg-3ubuntu0.1~esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2",
            "binary_version": "1.3.2-3ubuntu0.2"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.3.2-3ubuntu0.2"
          },
          {
            "binary_name": "rddmarc",
            "binary_version": "1.3.2-3ubuntu0.2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.3.2-3ubuntu0.2?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.2-2",
        "1.3.2-3",
        "1.3.2-3ubuntu0.1",
        "1.3.2-3ubuntu0.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2",
            "binary_version": "1.3.2-7ubuntu0.1"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.3.2-7ubuntu0.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:20.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.3.2-7ubuntu0.1?arch=source\u0026distro=focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.3.2-6",
        "1.3.2-7",
        "1.3.2-7ubuntu0.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2",
            "binary_version": "1.4.2-1"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.4.2-1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.4.2-1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.0~beta1+dfsg-6",
        "1.4.1.1-1",
        "1.4.1.1-2",
        "1.4.2-1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2t64",
            "binary_version": "1.4.2-4.1build2"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.4.2-4.1build2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.4.2-4.1build2?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.2-3",
        "1.4.2-4",
        "1.4.2-4.1build1",
        "1.4.2-4.1build2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2t64",
            "binary_version": "1.4.2-5.1"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.4.2-5.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.4.2-5.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.2-5",
        "1.4.2-5.1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "libopendmarc2t64",
            "binary_version": "1.4.2-5.1build1"
          },
          {
            "binary_name": "opendmarc",
            "binary_version": "1.4.2-5.1build1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:26.04:LTS",
        "name": "opendmarc",
        "purl": "pkg:deb/ubuntu/opendmarc@1.4.2-5.1build1?arch=source\u0026distro=resolute"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.2-5.1",
        "1.4.2-5.1build1"
      ]
    }
  ],
  "aliases": [],
  "details": "OpenDMARC through 1.3.2 and 1.4.x, when used with pypolicyd-spf 2.0.2, allows attacks that bypass SPF and DMARC authentication in situations where the HELO field is inconsistent with the MAIL FROM field.",
  "id": "UBUNTU-CVE-2019-20790",
  "modified": "2026-05-20T14:51:49Z",
  "published": "2020-04-27T14:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2019-20790"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.launchpad.net/pypolicyd-spf/+bug/1838816"
    },
    {
      "type": "REPORT",
      "url": "https://sourceforge.net/p/opendmarc/tickets/235/"
    },
    {
      "type": "REPORT",
      "url": "https://www.usenix.org/system/files/sec20fall_chen-jianjun_prepub_0.pdf"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2019-20790"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2019-20790"
  ]
}

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.

Detection rules are retrieved from Rulezet.

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.

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.

Action not permitted

CVE-2019-20790 (GCVE-0-2019-20790)

CNVD-2020-27488

FKIE_CVE-2019-20790

GHSA-6PPH-69RG-FPW6

GSD-2019-20790

UBUNTU-CVE-2019-20790 (CVE-2019-20790)

Tags

Sightings

Nomenclature

Related by attack behaviour