FKIE_CVE-2023-6927

Vulnerability from fkie_nvd - Published: 2023-12-18 23:15 - Updated: 2026-09-22 04:17
Severity
4.6 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode "form_post.jwt" which could be used to bypass the security patch implemented to address CVE-2023-6134.
References
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0094
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0095
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0096
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0097
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0098
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0100
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0101
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0798
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0799
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0800
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0801
secalert@redhat.comhttps://access.redhat.com/errata/RHSA-2024:0804
secalert@redhat.comhttps://access.redhat.com/security/cve/CVE-2023-6927Vendor Advisory
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=2255027Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0094
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0095
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0096
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0097
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0098
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0100
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0101
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0798
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0799
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0800
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0801
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/errata/RHSA-2024:0804
af854a3a-2127-422b-91ae-364da2661108https://access.redhat.com/security/cve/CVE-2023-6927Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=2255027Issue Tracking, Vendor Advisory
Impacted products
Vendor Product Version
redhat keycloak -
redhat single_sign-on 7.0
To clipboard 

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  "cveTags": [],
  "descriptions": [
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      "lang": "en",
      "value": "A flaw was found in Keycloak. This issue may allow an attacker to steal authorization codes or tokens from clients using a wildcard in the JARM response mode \"form_post.jwt\" which could be used to bypass the security patch implemented to address CVE-2023-6134."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 una falla en Keycloak. Este problema puede permitir que un atacante robe c\u00f3digos de autorizaci\u00f3n o tokens de clientes usando un comod\u00edn en el modo de respuesta JARM \"form_post.jwt\" que podr\u00eda usarse para eludir el parche de seguridad implementado para abordar CVE-2023-6134."
    }
  ],
  "id": "CVE-2023-6927",
  "lastModified": "2026-09-22T04:17:56.923",
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    "cvssMetricV31": [
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        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 4.6,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N",
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  "vulnStatus": "Modified",
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}



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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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