Vulnerability-Lookup

CVE-2021-44549 (GCVE-0-2021-44549)

Vulnerability from cvelistv5 – Published: 2021-12-14 15:15 – Updated: 2024-08-04 04:25

Title

SMTPS server hostname not checked when making TLS connection to SMTPS server

Summary

Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of "man in the middle" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429

Severity

No CVSS data available.

CWE

CWE-295 - Improper Certificate Validation, CWE-297: Improper Validation of Certificate with Host Mismatch

Assigner

apache CNA under the mitre root

CNA scorecard B 76/100 over 1078 records in the last 180 days details

References

1 reference

URL	Tags
https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version	CPE status
Apache Software Foundation	Apache Sling Commons Messaging Mail	Affected: Apache Sling Commons Messaging Mail 1.0.0 1.0.0	guessed

Credits

The issue was reported by Michael Lescisin.

Show details on NVD website

JSON

To clipboard

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CNVD-2023-02479

Vulnerability from cnvd - Published: 2023-01-12

Title

Apache Sling Commons Messaging Mail信任管理问题漏洞

Description

Apache Sling Commons Messaging Mail是美国Apache基金会的一款开源消息传递邮件服务。 Apache Sling Commons Messaging Mail 1.0.0存在信任管理问题漏洞，该漏洞源于Apache Sling Commons Messaging Mail在JavaMail/Jakarta Mail之上为OSGi提供了一个简单的层，用于通过SMTPS发送邮件。为了降低中间人攻击的风险，在访问邮件服务器时必须执行额外的服务器身份检查。出于兼容性原因，JavaMail/Jakarta Mail中默认禁用这些附加检查。攻击者可利用该漏洞通过SimpleMessageBuilder创建消息访问会话并设置属性mail.smtps.ssl来启用这些检查。

Severity

中

Patch Name

Apache Sling Commons Messaging Mail信任管理问题漏洞的补丁

Patch Description

Formal description

厂商已发布了漏洞修复程序，请及时关注更新： https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-44549

Impacted products

Name
Apache Apache Sling Commons Messaging Mail 1.0.0

Show details on source website

JSON

To clipboard

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    }
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  "description": "Apache Sling Commons Messaging Mail\u662f\u7f8e\u56fdApache\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90\u6d88\u606f\u4f20\u9012\u90ae\u4ef6\u670d\u52a1\u3002\n\nApache Sling Commons Messaging Mail 1.0.0\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eApache Sling Commons Messaging Mail\u5728JavaMail/Jakarta Mail\u4e4b\u4e0a\u4e3aOSGi\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5c42\uff0c\u7528\u4e8e\u901a\u8fc7SMTPS\u53d1\u9001\u90ae\u4ef6\u3002\u4e3a\u4e86\u964d\u4f4e\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u98ce\u9669\uff0c\u5728\u8bbf\u95ee\u90ae\u4ef6\u670d\u52a1\u5668\u65f6\u5fc5\u987b\u6267\u884c\u989d\u5916\u7684\u670d\u52a1\u5668\u8eab\u4efd\u68c0\u67e5\u3002\u51fa\u4e8e\u517c\u5bb9\u6027\u539f\u56e0\uff0cJavaMail/Jakarta Mail\u4e2d\u9ed8\u8ba4\u7981\u7528\u8fd9\u4e9b\u9644\u52a0\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7SimpleMessageBuilder\u521b\u5efa\u6d88\u606f\u8bbf\u95ee\u4f1a\u8bdd\u5e76\u8bbe\u7f6e\u5c5e\u6027mail.smtps.ssl\u6765\u542f\u7528\u8fd9\u4e9b\u68c0\u67e5\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2023-02479",
  "openTime": "2023-01-12",
  "patchDescription": "Apache Sling Commons Messaging Mail\u662f\u7f8e\u56fdApache\u57fa\u91d1\u4f1a\u7684\u4e00\u6b3e\u5f00\u6e90\u6d88\u606f\u4f20\u9012\u90ae\u4ef6\u670d\u52a1\u3002\r\n\r\nApache Sling Commons Messaging Mail 1.0.0\u5b58\u5728\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eApache Sling Commons Messaging Mail\u5728JavaMail/Jakarta Mail\u4e4b\u4e0a\u4e3aOSGi\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u5c42\uff0c\u7528\u4e8e\u901a\u8fc7SMTPS\u53d1\u9001\u90ae\u4ef6\u3002\u4e3a\u4e86\u964d\u4f4e\u4e2d\u95f4\u4eba\u653b\u51fb\u7684\u98ce\u9669\uff0c\u5728\u8bbf\u95ee\u90ae\u4ef6\u670d\u52a1\u5668\u65f6\u5fc5\u987b\u6267\u884c\u989d\u5916\u7684\u670d\u52a1\u5668\u8eab\u4efd\u68c0\u67e5\u3002\u51fa\u4e8e\u517c\u5bb9\u6027\u539f\u56e0\uff0cJavaMail/Jakarta Mail\u4e2d\u9ed8\u8ba4\u7981\u7528\u8fd9\u4e9b\u9644\u52a0\u68c0\u67e5\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u901a\u8fc7SimpleMessageBuilder\u521b\u5efa\u6d88\u606f\u8bbf\u95ee\u4f1a\u8bdd\u5e76\u8bbe\u7f6e\u5c5e\u6027mail.smtps.ssl\u6765\u542f\u7528\u8fd9\u4e9b\u68c0\u67e5\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Apache Sling Commons Messaging Mail\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Apache Apache Sling Commons Messaging Mail 1.0.0"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-44549",
  "serverity": "\u4e2d",
  "submitTime": "2021-12-23",
  "title": "Apache Sling Commons Messaging Mail\u4fe1\u4efb\u7ba1\u7406\u95ee\u9898\u6f0f\u6d1e"
}

FKIE_CVE-2021-44549

Vulnerability from fkie_nvd - Published: 2021-12-14 16:15 - Updated: 2026-06-17 04:12

Severity

7.4 (High) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N

Summary

References

	URL	Tags
	security@apache.org	https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f	Mailing List, Vendor Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f	Mailing List, Vendor Advisory

Impacted products

	Vendor	Product	Version
	apache	sling_commons_messaging_mail	1.0.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Apache Sling Commons Messaging Mail",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "status": "affected",
              "version": "Apache Sling Commons Messaging Mail 1.0.0 1.0.0"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:sling_commons_messaging_mail:1.0.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "32B6D607-277A-4C47-82F7-D205229B331A",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429"
    },
    {
      "lang": "es",
      "value": "Apache Sling Commons Messaging Mail proporciona una capa sencilla sobre JavaMail/Jakarta Mail para OSGi para enviar correos por medio de SMTPS. Para reducir el riesgo de ataques de tipo \"man in the middle\" deben realizarse comprobaciones adicionales de la identidad del servidor cuando accede a los servidores de correo. Por razones de compatibilidad, estas comprobaciones adicionales est\u00e1n deshabilitadas por defecto en JavaMail/Jakarta Mail. El SimpleMailService de Apache Sling Commons Messaging Mail versi\u00f3n 1.0 carece de una opci\u00f3n para habilitar estas comprobaciones para la sesi\u00f3n de correo compartido. Sin embargo, un usuario podr\u00eda habilitar estas comprobaciones accediendo a la sesi\u00f3n por medio del mensaje creado por SimpleMessageBuilder y estableciendo la propiedad mail.smtps.ssl.checkserveridentity a true. Apache Sling Commons Messaging Mail versi\u00f3n 2.0 a\u00f1ade soporte para habilitar las comprobaciones de identidad del servidor y estas comprobaciones est\u00e1n habilitadas por defecto. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429"
    }
  ],
  "id": "CVE-2021-44549",
  "lastModified": "2026-06-17T04:12:33.303",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
          "baseScore": 5.8,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "version": "2.0"
        },
        "exploitabilityScore": 8.6,
        "impactScore": 4.9,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 7.4,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.2,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2021-12-14T16:15:09.763",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-295"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

GHSA-C69W-JJ56-834W

Vulnerability from github – Published: 2021-12-16 14:12 – Updated: 2022-01-04 19:09

Summary

Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Apache Sling Commons Messaging Mail

Details

Severity

7.4 (High)


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

Show details on source website

JSON

To clipboard

{
  "affected": [
    {
      "package": {
        "ecosystem": "Maven",
        "name": "org.apache.sling:org.apache.sling.commons.messaging.mail"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-44549"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-295",
      "CWE-297"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-12-15T15:15:17Z",
    "nvd_published_at": "2021-12-14T16:15:00Z",
    "severity": "HIGH"
  },
  "details": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429",
  "id": "GHSA-c69w-jj56-834w",
  "modified": "2022-01-04T19:09:34Z",
  "published": "2021-12-16T14:12:49Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-44549"
    },
    {
      "type": "WEB",
      "url": "https://github.com/eclipse-ee4j/mail/issues/429"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/eclipse-ee4j"
    },
    {
      "type": "WEB",
      "url": "https://javaee.github.io/javamail/docs/SSLNOTES.txt"
    },
    {
      "type": "WEB",
      "url": "https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Apache Sling Commons Messaging Mail"
}

GSD-2021-44549

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

Details

Aliases

CVE-2021-44549

Aliases

CVE-2021-44549

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-44549",
    "description": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429",
    "id": "GSD-2021-44549"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2021-44549"
      ],
      "details": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429",
      "id": "GSD-2021-44549",
      "modified": "2023-12-13T01:23:20.652025Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "security@apache.org",
        "ID": "CVE-2021-44549",
        "STATE": "PUBLIC",
        "TITLE": "SMTPS server hostname not checked when making TLS connection to SMTPS server"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Apache Sling Commons Messaging Mail",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "=",
                          "version_name": "Apache Sling Commons Messaging Mail 1.0.0",
                          "version_value": "1.0.0"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Apache Software Foundation"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "The issue was reported by Michael Lescisin."
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429"
          }
        ]
      },
      "generator": {
        "engine": "Vulnogram 0.0.9"
      },
      "impact": [
        {
          "other": "low"
        }
      ],
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "CWE-295: Improper Certificate Validation, CWE-297: Improper Validation of Certificate with Host Mismatch"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f",
            "refsource": "MISC",
            "url": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      },
      "work_around": [
        {
          "lang": "eng",
          "value": "Set the property mail.smtps.ssl.checkserveridentity to true via message\u0027s session."
        }
      ]
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "(,2.0)",
          "affected_versions": "All versions before 2.0",
          "cvss_v2": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-295",
            "CWE-937"
          ],
          "date": "2022-01-04",
          "description": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429",
          "fixed_versions": [
            "2.0"
          ],
          "identifier": "CVE-2021-44549",
          "identifiers": [
            "GHSA-c69w-jj56-834w",
            "CVE-2021-44549"
          ],
          "not_impacted": "All versions starting from 2.0",
          "package_slug": "maven/org.apache.sling/org.apache.sling.commons.messaging.mail",
          "pubdate": "2021-12-16",
          "solution": "Upgrade to version 2.0 or above.",
          "title": "Improper Certificate Validation",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2021-44549",
            "https://github.com/eclipse-ee4j/mail/issues/429",
            "https://javaee.github.io/javamail/docs/SSLNOTES.txt",
            "https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html",
            "https://github.com/advisories/GHSA-c69w-jj56-834w"
          ],
          "uuid": "7e35e589-8d71-4807-bdfd-7670b94fd2d1"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:apache:sling_commons_messaging_mail:1.0.0:*:*:*:*:*:*:*",
                "cpe_name": [],
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "security@apache.org",
          "ID": "CVE-2021-44549"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "Apache Sling Commons Messaging Mail provides a simple layer on top of JavaMail/Jakarta Mail for OSGi to send mails via SMTPS. To reduce the risk of \"man in the middle\" attacks additional server identity checks must be performed when accessing mail servers. For compatibility reasons these additional checks are disabled by default in JavaMail/Jakarta Mail. The SimpleMailService in Apache Sling Commons Messaging Mail 1.0 lacks an option to enable these checks for the shared mail session. A user could enable these checks nevertheless by accessing the session via the message created by SimpleMessageBuilder and setting the property mail.smtps.ssl.checkserveridentity to true. Apache Sling Commons Messaging Mail 2.0 adds support for enabling server identity checks and these checks are enabled by default. - https://javaee.github.io/javamail/docs/SSLNOTES.txt - https://javaee.github.io/javamail/docs/api/com/sun/mail/smtp/package-summary.html - https://github.com/eclipse-ee4j/mail/issues/429"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-295"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f",
              "refsource": "MISC",
              "tags": [
                "Mailing List",
                "Vendor Advisory"
              ],
              "url": "https://lists.apache.org/thread/l8p9h2bqvkj6rhv4w8kzctb817415b7f"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 5.8,
            "confidentialityImpact": "PARTIAL",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 4.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.4,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.2,
          "impactScore": 5.2
        }
      },
      "lastModifiedDate": "2021-12-21T16:16Z",
      "publishedDate": "2021-12-14T16:15Z"
    }
  }
}

RHSA-2024:7670

Vulnerability from csaf_redhat - Published: 2024-10-10 11:49 - Updated: 2026-10-20 04:33

Summary

Red Hat Security Advisory: Red Hat build of Quarkus 3.8.6.SP1 Security Update

Severity

Critical

Scope

4 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

A vulnerability was found in Apache Sling Commons Messaging Mail(angus-mail), which provides a simple interface for sending emails via SMTPS in OSGi, does not offer an option to enable server identity checks, leaving connections vulnerable to "man-in-the-middle" attacks and can allow insecure email communication.

7.4 (High)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2024:7670

Open the full advisory

RHSA-2024:7676

Vulnerability from csaf_redhat - Published: 2024-10-10 13:43 - Updated: 2026-10-20 04:33

Summary

Red Hat Security Advisory: Red Hat build of Quarkus 3.2.12.SP1 Security Update

Severity

Critical

Scope

4 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

7.4 (High)


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

Fixed: 1 product

https://access.redhat.com/errata/RHSA-2024:7676

Open the full advisory

RHSA-2024:8884

Vulnerability from csaf_redhat - Published: 2024-11-05 11:25 - Updated: 2026-10-27 04:51

Summary

Red Hat Security Advisory: Red Hat Product OCP Tools 4.15 Openshift Jenkins security update

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

7.4 (High)


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

Fixed: 4 products

https://access.redhat.com/errata/RHSA-2024:8884

Open the full advisory

RHSA-2024:8885

Vulnerability from csaf_redhat - Published: 2024-11-05 11:47 - Updated: 2026-10-27 04:51

Summary

Red Hat Security Advisory: Red Hat Product OCP Tools 4.14 Openshift Jenkins security update

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

7.4 (High)


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

Fixed: 4 products

https://access.redhat.com/errata/RHSA-2024:8885

Open the full advisory

RHSA-2024:8886

Vulnerability from csaf_redhat - Published: 2024-11-05 12:07 - Updated: 2026-10-27 04:51

Summary

Red Hat Security Advisory: Red Hat Product OCP Tools 4.12 Openshift Jenkins security update

Severity

Important

Scope

5 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

7.4 (High)


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

Fixed: 4 products

https://access.redhat.com/errata/RHSA-2024:8886

Open the full advisory

RHSA-2024:8887

Vulnerability from csaf_redhat - Published: 2024-11-05 12:08 - Updated: 2026-10-27 04:51

Summary

Red Hat Security Advisory: Red Hat Product OCP Tools 4.13 Openshift Jenkins security update

Severity

Important

Scope

4 vulnerabilities in this advisory, including CVE-2021-44549.

CVE-2021-44549

7.4 (High)


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

Fixed: 4 products

https://access.redhat.com/errata/RHSA-2024:8887

Open the full advisory

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.

Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

Order JSON

How durations are calculated

Following the VTEM framework (Black Hat USA 2015), time to patch starts when the vendor or a coordinator was informed, total time to patch at discovery, and disclosure to patch at public disclosure; vendor response time runs from the report to its acknowledgement. Time to exploit and time unpatched start at the earliest discovery or report, falling back to public disclosure. Unpatched time ends at the first recorded patch, or the calculation time when no patch is recorded. Exploitation to patch shows the interval between those two events; a published proof of concept is a public exploit, not exploitation.

Each result shows its source dates. A negative interval means the end event came first; when date-only inputs leave the order open, the result says so. Date-only inputs are approximate. The earliest evidence wins: KEV report dates and sightings are labelled as such. Records describing another vulnerability are listed but never calculated from, and a PoC alone does not establish exploitation. Missing patch evidence does not prove that no patch exists. Filters below change the event list only.

Publication & reservation Sightings KEV catalogs Other timestamps

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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-2021-44549 (GCVE-0-2021-44549)

Tags

Sightings

Nomenclature

Vulnerability timeline

Related by attack behaviour