{
  "id": "CVE-2021-21247",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2021-01-15T21:15:13.583",
  "lastModified": "2021-01-21T15:21:02.213",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "OneDev is an all-in-one devops platform. In OneDev before version 4.0.3, the application's BasePage registers an AJAX event listener (`AbstractPostAjaxBehavior`) in all pages other than the login page. This listener decodes and deserializes the `data` query parameter. We can access this listener by submitting a POST request to any page. This issue may lead to `post-auth RCE` This endpoint is subject to authentication and, therefore, requires a valid user to carry on the attack. This issue was addressed in 4.0.3 by encrypting serialization payload with secrets only known to server."
    },
    {
      "lang": "es",
      "value": "OneDev es una plataforma devops todo en uno. En OneDev versiones anteriores a  4.0.3, la BasePage de la aplicaci\u00f3n registra un detector de eventos AJAX (\"AbstractPostAjaxBehavior\") en todas las p\u00e1ginas excepto en la p\u00e1gina de inicio de sesi\u00f3n. Este oyente decodifica y deserializa el par\u00e1metro de consulta \"data\". Podemos acceder a este oyente mediante el env\u00edo de una petici\u00f3n  POST a cualquier p\u00e1gina. Este problema puede conllevar a una \"post-auth RCE\". Este endpoint est\u00e1 sujeto a autenticaci\u00f3n y, por lo tanto, requiere un usuario v\u00e1lido para llevar a cabo el ataque. Este problema fue abordado en la versi\u00f3n 4.0.3 al descifrar una carga \u00fatil de serializaci\u00f3n con secretos que solo conoce el servidor"
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 8.8,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 5.9
      },
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        "source": "security-advisories@github.com",
        "type": "Secondary",
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          "userInteraction": "NONE",
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          "baseSeverity": "CRITICAL"
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    ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "authentication": "SINGLE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 6.5
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 8.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-502"
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      ]
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      "source": "security-advisories@github.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-74"
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          "cpeMatch": [
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              "vulnerable": true,
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  "references": [
    {
      "url": "https://github.com/theonedev/onedev/security/advisories/GHSA-6pxf-75cf-vwjp",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
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}