CVE-2025-37730 (GCVE-0-2025-37730)

Vulnerability from cvelistv5 – Published: 2025-05-06 17:29 – Updated: 2025-05-06 17:51
VLAI?
Title
Logstash Improper Certificate Validation in TCP output
Summary
Improper certificate validation in Logstash's TCP output could lead to a man-in-the-middle (MitM) attack in “client” mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode => full was set.
CWE
Assigner
Impacted products
Vendor Product Version
Elastic Logstash Affected: 8.0.0 , < 8.17.6 (semver)
Affected: 8.18.0 , < 8.18.1 (semver)
Affected: 9.0.0 , < 9.0.1 (semver)
Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-37730",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-05-06T17:51:38.262496Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-05-06T17:51:59.631Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Logstash",
          "repo": "https://github.com/elastic/logstash",
          "vendor": "Elastic",
          "versions": [
            {
              "lessThan": "8.17.6",
              "status": "affected",
              "version": "8.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "8.18.1",
              "status": "affected",
              "version": "8.18.0",
              "versionType": "semver"
            },
            {
              "lessThan": "9.0.1",
              "status": "affected",
              "version": "9.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "supportingMedia": [
            {
              "base64": false,
              "type": "text/html",
              "value": "\u003cp\u003e\u003cspan style=\"background-color: transparent;\"\u003eImproper certificate validation in Logstash\u0027s TCP output could lead to a man-in-the-middle (MitM) attack in \u201cclient\u201d mode, as hostname verification in TCP output was not being performed when the \u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003essl_verification_mode =\u0026gt; full\u003c/span\u003e\u003cspan style=\"background-color: transparent;\"\u003e was set.\u003c/span\u003e\u003c/p\u003e"
            }
          ],
          "value": "Improper certificate validation in Logstash\u0027s TCP output could lead to a man-in-the-middle (MitM) attack in \u201cclient\u201d mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode =\u003e full was set."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-94",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-94"
            }
          ]
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-295",
              "description": "CWE-295",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-05-06T17:29:07.189Z",
        "orgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
        "shortName": "elastic"
      },
      "references": [
        {
          "url": "https://discuss.elastic.co/t/logstash-8-17-6-8-18-1-and-9-0-1-security-update-esa-2025-08/377869"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "Logstash Improper Certificate Validation in TCP output",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "271b6943-45a9-4f3a-ab4e-976f3fa05b5a",
    "assignerShortName": "elastic",
    "cveId": "CVE-2025-37730",
    "datePublished": "2025-05-06T17:29:07.189Z",
    "dateReserved": "2025-04-16T03:24:04.510Z",
    "dateUpdated": "2025-05-06T17:51:59.631Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-37730\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-05-06T17:51:38.262496Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-05-06T17:51:42.678Z\"}}], \"cna\": {\"title\": \"Logstash Improper Certificate Validation in TCP output\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"impacts\": [{\"capecId\": \"CAPEC-94\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-94\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 6.5, \"attackVector\": \"NETWORK\", \"baseSeverity\": \"MEDIUM\", \"vectorString\": \"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N\", \"integrityImpact\": \"LOW\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"HIGH\", \"availabilityImpact\": \"NONE\", \"privilegesRequired\": \"NONE\", \"confidentialityImpact\": \"HIGH\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://github.com/elastic/logstash\", \"vendor\": \"Elastic\", \"product\": \"Logstash\", \"versions\": [{\"status\": \"affected\", \"version\": \"8.0.0\", \"lessThan\": \"8.17.6\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"8.18.0\", \"lessThan\": \"8.18.1\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"9.0.0\", \"lessThan\": \"9.0.1\", \"versionType\": \"semver\"}], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://discuss.elastic.co/t/logstash-8-17-6-8-18-1-and-9-0-1-security-update-esa-2025-08/377869\"}], \"x_generator\": {\"engine\": \"Vulnogram 0.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Improper certificate validation in Logstash\u0027s TCP output could lead to a man-in-the-middle (MitM) attack in \\u201cclient\\u201d mode, as hostname verification in TCP output was not being performed when the ssl_verification_mode =\u003e full was set.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"\u003cp\u003e\u003cspan style=\\\"background-color: transparent;\\\"\u003eImproper certificate validation in Logstash\u0027s TCP output could lead to a man-in-the-middle (MitM) attack in \\u201cclient\\u201d mode, as hostname verification in TCP output was not being performed when the \u003c/span\u003e\u003cspan style=\\\"background-color: transparent;\\\"\u003essl_verification_mode =\u0026gt; full\u003c/span\u003e\u003cspan style=\\\"background-color: transparent;\\\"\u003e was set.\u003c/span\u003e\u003c/p\u003e\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-295\", \"description\": \"CWE-295\"}]}], \"providerMetadata\": {\"orgId\": \"271b6943-45a9-4f3a-ab4e-976f3fa05b5a\", \"shortName\": \"elastic\", \"dateUpdated\": \"2025-05-06T17:29:07.189Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-37730\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-06T17:51:59.631Z\", \"dateReserved\": \"2025-04-16T03:24:04.510Z\", \"assignerOrgId\": \"271b6943-45a9-4f3a-ab4e-976f3fa05b5a\", \"datePublished\": \"2025-05-06T17:29:07.189Z\", \"assignerShortName\": \"elastic\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…