FKIE_CVE-2021-37843

Vulnerability from fkie_nvd - Published: 2021-08-02 19:15 - Updated: 2024-11-21 06:15
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
The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account when only the username is known (i.e., no other authentication is provided). The fixed versions are for Jira: 3.6.6.1, 4.0.12, 5.0.5; for Confluence 3.6.6, 4.0.12, 5.0.5; for Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; for Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; and for Fisheye 2.5.9.
References
cve@mitre.orghttps://wiki.resolution.de/doc/saml-sso/5.0.x/all/security-advisories/2021-07-29-authentication-bypass-network-attacker-can-login-to-users-accounts-when-usernames-are-knownThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://wiki.resolution.de/doc/saml-sso/5.0.x/all/security-advisories/2021-07-29-authentication-bypass-network-attacker-can-login-to-users-accounts-when-usernames-are-knownThird Party Advisory
Impacted products
Vendor Product Version
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
atlassian saml_single_sign_on *
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{
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  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "The resolution SAML SSO apps for Atlassian products allow a remote attacker to login to a user account when only the username is known (i.e., no other authentication is provided). The fixed versions are for Jira: 3.6.6.1, 4.0.12, 5.0.5; for Confluence 3.6.6, 4.0.12, 5.0.5; for Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; for Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; and for Fisheye 2.5.9."
    },
    {
      "lang": "es",
      "value": "Las aplicaciones SAML SSO de resoluci\u00f3n para los productos de Atlassian permiten a un atacante remoto acceder a una cuenta de usuario cuando s\u00f3lo se conoce el nombre de usuario (es decir, no se proporciona ninguna otra autenticaci\u00f3n). Las versiones corregidas son para Jira: 3.6.6.1, 4.0.12, 5.0.5; para Confluence 3.6.6, 4.0.12, 5.0.5; para Bitbucket 2.5.9, 3.6.6, 4.0.12, 5.0.5; para Bamboo 2.5.9, 3.6.6, 4.0.12, 5.0.5; y para Fisheye 2.5.9"
    }
  ],
  "id": "CVE-2021-37843",
  "lastModified": "2024-11-21T06:15:57.710",
  "metrics": {
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        "acInsufInfo": false,
        "baseSeverity": "HIGH",
        "cvssData": {
          "accessComplexity": "LOW",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "version": "2.0"
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        "obtainOtherPrivilege": false,
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          "scope": "UNCHANGED",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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          "integrityImpact": "HIGH",
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  "published": "2021-08-02T19:15:08.567",
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          "value": "CWE-306"
        }
      ],
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}


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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.


Detection rules are retrieved from Rulezet.