{
  "id": "CVE-2023-43798",
  "sourceIdentifier": "security-advisories@github.com",
  "published": "2023-10-30T23:15:08.397",
  "lastModified": "2023-11-08T20:12:42.660",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "BigBlueButton is an open-source virtual classroom. BigBlueButton prior to versions 2.6.12 and 2.7.0-rc.1 is vulnerable to Server-Side Request Forgery (SSRF). This issue is a bypass of CVE-2023-33176. A patch in versions 2.6.12 and 2.7.0-rc.1 disabled follow redirect at `httpclient.execute` since the software no longer has to follow it when using `finalUrl`. There are no known workarounds. We recommend upgrading to a patched version of BigBlueButton."
    },
    {
      "lang": "es",
      "value": "BigBlueButton es un aula virtual de c\u00f3digo abierto. BigBlueButton anterior a las versiones 2.6.12 y 2.7.0-rc.1 es vulnerable a Server-Side Request Forgery (SSRF). Este problema es una omisi\u00f3n de CVE-2023-33176. Un parche en las versiones 2.6.12 y 2.7.0-rc.1 deshabilit\u00f3 el redireccionamiento de seguimiento en `httpclient.execute` ya que el software ya no tiene que seguirlo cuando usa `finalUrl`. No se conocen workarounds. Recomendamos actualizar a una versi\u00f3n parcheada de BigBlueButton."
    }
  ],
  "metrics": {
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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:L/I:L/A:N",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.5
      },
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          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
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          "integrityImpact": "LOW",
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        "impactScore": 3.4
      }
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  "weaknesses": [
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      "source": "security-advisories@github.com",
      "type": "Primary",
      "description": [
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          "value": "CWE-918"
        }
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  "references": [
    {
      "url": "https://github.com/bigbluebutton/bigbluebutton/pull/18494",
      "source": "security-advisories@github.com",
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      "source": "security-advisories@github.com",
      "tags": [
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    },
    {
      "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-3q22-hph2-cff7",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://github.com/bigbluebutton/bigbluebutton/security/advisories/GHSA-h98v-2h8w-99c4",
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
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    }
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}