FKIE_CVE-2020-1956

Vulnerability from fkie_nvd - Published: 2020-05-22 14:15 - Updated: 2026-06-17 03:02
Severity
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
8.8 (High) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
Apache Kylin 2.3.0, and releases up to 2.6.5 and 3.0.1 has some restful apis which will concatenate os command with the user input string, a user is likely to be able to execute any os command without any protection or validation.
References
security@apache.orghttp://www.openwall.com/lists/oss-security/2020/07/14/1Mailing List
security@apache.orghttps://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706Exploit, Third Party Advisory
security@apache.orghttps://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3EMailing List, Patch
security@apache.orghttps://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3EMailing List, Mitigation, Vendor Advisory
security@apache.orghttps://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3EMailing List
security@apache.orghttps://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3EMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2020/07/14/1Mailing List
af854a3a-2127-422b-91ae-364da2661108https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706Exploit, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r021baf9d8d4ae41e8c8332c167c4fa96c91b5086563d9be55d2d7acf%40%3Ccommits.kylin.apache.org%3EMailing List, Patch
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r1332ef34cf8e2c0589cf44ad269fb1fb4c06addec6297f0320f5111d%40%3Cuser.kylin.apache.org%3EMailing List, Mitigation, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cannounce.apache.org%3EMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cdev.kylin.apache.org%3EMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r250a867961cfd6e0506240a9c7eaee782d84c6ab0091c7c4bc45f3eb%40%3Cuser.kylin.apache.org%3EMailing List
af854a3a-2127-422b-91ae-364da2661108https://lists.apache.org/thread.html/r61666760d8a4e8764b2d5fe158d8a48b569414480fbfadede574cdc0%40%3Ccommits.kylin.apache.org%3EMailing List, Patch
134c704f-9b21-4f2e-91b3-4a467353bcc0https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956Third Party Advisory, US Government Resource
Impacted products
Vendor Product Version
apache kylin *
apache kylin *
apache kylin *
apache kylin 2.4.0
apache kylin 2.4.1
apache kylin 3.0.0
apache kylin 3.0.0
apache kylin 3.0.0
apache kylin 3.0.0
apache kylin 3.0.1
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "Kylin",
          "vendor": "Apache",
          "versions": [
            {
              "status": "affected",
              "version": "2.3.0"
            },
            {
              "status": "affected",
              "version": "\u003c=2.6.5"
            },
            {
              "status": "affected",
              "version": "\u003c=3.0.1"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "cisaActionDue": "2022-04-15",
  "cisaExploitAdd": "2022-03-25",
  "cisaRequiredAction": "Apply updates per vendor instructions.",
  "cisaVulnerabilityName": "Apache Kylin OS Command Injection Vulnerability",
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "656B4A80-45A1-4F86-B7C9-349647BEC04C",
              "versionEndIncluding": "2.3.2",
              "versionStartIncluding": "2.3.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "FAEF2809-48A1-4CE3-B840-252F138A21CD",
              "versionEndIncluding": "2.5.2",
              "versionStartIncluding": "2.5.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "D271F44F-E2B8-40C7-AF41-DC5683FCF2C3",
              "versionEndIncluding": "2.6.5",
              "versionStartIncluding": "2.6.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:2.4.0:*:*:*:*:*:*:*",
              "matchCriteriaId": "CE11A8FD-82F6-4098-9FF7-78405347B350",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:2.4.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "DB08F494-F2F5-4B8E-8775-9AEDEFAFB8BA",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:3.0.0:-:*:*:*:*:*:*",
              "matchCriteriaId": "E602D518-53D4-4259-8A9C-443249654004",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:3.0.0:alpha:*:*:*:*:*:*",
              "matchCriteriaId": "E6ABDFCF-11C3-46BC-8CB2-58BE2CEAC1B5",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:3.0.0:alpha2:*:*:*:*:*:*",
              "matchCriteriaId": "8E21E9E3-C9B8-4313-8FD2-99DA1C6833D6",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:3.0.0:beta:*:*:*:*:*:*",
              "matchCriteriaId": "1950EE02-DCE7-4F08-8F4B-55AD8522762C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:kylin:3.0.1:*:*:*:*:*:*:*",
              "matchCriteriaId": "384C01CE-ECC1-4211-9FE2-50D08AE0EF6B",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Apache Kylin 2.3.0, and releases up to 2.6.5 and 3.0.1 has some restful apis which will concatenate os command with the user input string, a user is likely to be able to execute any os command without any protection or validation."
    },
    {
      "lang": "es",
      "value": "Apache Kylin 2.3.0, y las versiones hasta la versi\u00f3n 2.6.5 y 3.0.1 tienen algunas aplicaciones relajantes que concatenan el comando con la cadena de entrada del usuario, es probable que un usuario pueda ejecutar cualquier comando sin ninguna protecci\u00f3n o validaci\u00f3n."
    }
  ],
  "id": "CVE-2020-1956",
  "lastModified": "2026-06-17T03:02:43.010",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "SINGLE",
          "availabilityImpact": "COMPLETE",
          "baseScore": 9.0,
          "confidentialityImpact": "COMPLETE",
          "integrityImpact": "COMPLETE",
          "vectorString": "AV:N/AC:L/Au:S/C:C/I:C/A:C",
          "version": "2.0"
        },
        "exploitabilityScore": 8.0,
        "impactScore": 10.0,
        "obtainAllPrivilege": false,
        "obtainOtherPrivilege": false,
        "obtainUserPrivilege": false,
        "source": "nvd@nist.gov",
        "type": "Primary",
        "userInteractionRequired": false
      }
    ],
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2020-1956",
          "options": [
            {
              "exploitation": "active"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-02-06T20:55:12.968843Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2020-05-22T14:15:11.840",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2020/07/14/1"
    },
    {
      "source": "security@apache.org",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "url": "https://community.sonarsource.com/t/apache-kylin-3-0-1-command-injection-vulnerability/25706"
    },
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Patch"
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    },
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    },
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    },
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    },
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    },
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      "source": "af854a3a-2127-422b-91ae-364da2661108",
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    },
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    },
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      ],
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2020-1956"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-78"
        }
      ],
      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}



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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

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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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