FKIE_CVE-2020-15842

Vulnerability from fkie_nvd - Published: 2020-07-20 02:15 - Updated: 2026-06-17 02:57
Summary
Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization.
Impacted products
Vendor Product Version
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.0
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.1
liferay digital_experience_platform 7.2
liferay digital_experience_platform 7.2
liferay digital_experience_platform 7.2
liferay digital_experience_platform 7.2
liferay digital_experience_platform 7.2
liferay digital_experience_platform 7.2
liferay liferay_portal *

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "source": "cve@mitre.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
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              "matchCriteriaId": "4614C87F-F39C-4ADD-A7A2-4A498612AD38",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_13:*:*:*:*:*:*",
              "matchCriteriaId": "70E12054-0DEE-4B92-B8F6-7DC4B2461113",
              "vulnerable": true
            },
            {
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              "matchCriteriaId": "3B566A51-3EFC-4A08-8A4F-A9AA43FBE481",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.0:fix_pack_24:*:*:*:*:*:*",
              "matchCriteriaId": "F220793A-FDAC-48C6-B299-39EB3BC077A6",
              "vulnerable": true
            },
            {
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              "vulnerable": true
            },
            {
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              "vulnerable": true
            },
            {
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              "vulnerable": true
            },
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              "vulnerable": true
            },
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              "vulnerable": true
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              "vulnerable": true
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              "vulnerable": true
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              "vulnerable": true
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            },
            {
              "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_4:*:*:*:*:*:*",
              "matchCriteriaId": "C0CB4927-A361-4DFA-BDB8-A454EA2894AB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:liferay:digital_experience_platform:7.2:fix_pack_5:*:*:*:*:*:*",
              "matchCriteriaId": "B2B771B7-D5CB-4778-A3A8-1005E4EE134C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:liferay:liferay_portal:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8B61E29C-3071-41EF-9774-185F91282DEB",
              "versionEndExcluding": "7.3.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Liferay Portal before 7.3.0, and Liferay DXP 7.0 before fix pack 90, 7.1 before fix pack 17, and 7.2 before fix pack 5, allows man-in-the-middle attackers to execute arbitrary code via crafted serialized payloads, because of insecure deserialization."
    },
    {
      "lang": "es",
      "value": "Liferay Portal versiones anteriores a 7.3.0, y Liferay DXP versi\u00f3n 7.0 anterior al papuete  90, versi\u00f3n 7.1 anterior al paquete de correcci\u00f3n 17, y versi\u00f3n 7.2 anterior al paquete de correcci\u00f3n 5, permite a los atacantes man-in-the-middle ejecutar c\u00f3digo arbitrario a trav\u00e9s de cargas \u00fatiles seriadas, debido a la deserializaci\u00f3n insegura"
    }
  ],
  "id": "CVE-2020-15842",
  "lastModified": "2026-06-17T02:57:17.220",
  "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,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "cve@mitre.org",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.1,
          "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:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.2,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ]
  },
  "published": "2020-07-20T02:15:11.660",
  "references": [
    {
      "source": "cve@mitre.org",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://issues.liferay.com/browse/LPE-16963"
    },
    {
      "source": "cve@mitre.org",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Issue Tracking",
        "Vendor Advisory"
      ],
      "url": "https://issues.liferay.com/browse/LPE-16963"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://portal.liferay.dev/learn/security/known-vulnerabilities/-/asset_publisher/HbL5mxmVrnXW/content/id/119317427"
    }
  ],
  "sourceIdentifier": "cve@mitre.org",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.

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Detection rules are retrieved from Rulezet.

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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.


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