FKIE_CVE-2022-43781

Vulnerability from fkie_nvd - Published: 2022-11-17 00:15 - Updated: 2024-11-21 07:27
Severity ?
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.8 (Critical) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled “Allow public signup”.
References
security@atlassian.comhttps://confluence.atlassian.com/x/Y4hXRgMitigation, Release Notes, Vendor Advisory
security@atlassian.comhttps://jira.atlassian.com/browse/BSERV-13522Issue Tracking, Patch, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://confluence.atlassian.com/x/Y4hXRgMitigation, Release Notes, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://jira.atlassian.com/browse/BSERV-13522Issue Tracking, Patch, Vendor Advisory
Impacted products
Vendor Product Version
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
atlassian bitbucket *
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{
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    {
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "There is a command injection vulnerability using environment variables in Bitbucket Server and Data Center. An attacker with permission to control their username can exploit this issue to execute arbitrary code on the system. This vulnerability can be unauthenticated if the Bitbucket Server and Data Center instance has enabled \u201cAllow public signup\u201d."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de inyecci\u00f3n de comandos mediante variables de entorno en Bitbucket Server y Data Center. Un atacante con permiso para controlar su nombre de usuario puede aprovechar este problema para ejecutar c\u00f3digo arbitrario en el sistema. Esta vulnerabilidad puede no autenticarse si la instancia de Bitbucket Server y Data Center ha habilitado \"Allow public signup\"."
    }
  ],
  "id": "CVE-2022-43781",
  "lastModified": "2024-11-21T07:27:14.543",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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        "type": "Secondary"
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  "published": "2022-11-17T00:15:18.483",
  "references": [
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      "tags": [
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      "tags": [
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      "url": "https://jira.atlassian.com/browse/BSERV-13522"
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  "sourceIdentifier": "security@atlassian.com",
  "vulnStatus": "Modified",
  "weaknesses": [
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          "value": "CWE-77"
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      "type": "Primary"
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      "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
      "type": "Secondary"
    }
  ]
}


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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.



Detection rules are retrieved from Rulezet.