FKIE_CVE-2020-1758

Vulnerability from fkie_nvd - Published: 2020-05-15 19:15 - Updated: 2024-11-21 05:11
Severity ?
5.3 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
5.9 (Medium) - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Summary
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.
References
secalert@redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758Issue Tracking, Vendor Advisory
secalert@redhat.comhttps://issues.redhat.com/browse/KEYCLOAK-13285Permissions Required, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758Issue Tracking, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108https://issues.redhat.com/browse/KEYCLOAK-13285Permissions Required, Vendor Advisory
Impacted products
Vendor Product Version
redhat keycloak *
redhat openstack 10
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
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              "matchCriteriaId": "42BBD73E-2B89-48B7-95F0-187128579D86",
              "versionEndExcluding": "10.0.0",
              "vulnerable": true
            }
          ],
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      "value": "A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack."
    },
    {
      "lang": "es",
      "value": "Se encontr\u00f3 un fallo en Keycloak en versiones anteriores a 10.0.0, donde no se lleva a cabo una verificaci\u00f3n del nombre de host TLS mientras se env\u00eda correos electr\u00f3nicos utilizando el servidor SMTP. Este fallo permite a un atacante llevar a cabo un ataque de tipo man-in-the-middle (MITM)."
    }
  ],
  "id": "CVE-2020-1758",
  "lastModified": "2024-11-21T05:11:19.473",
  "metrics": {
    "cvssMetricV2": [
      {
        "acInsufInfo": false,
        "baseSeverity": "MEDIUM",
        "cvssData": {
          "accessComplexity": "MEDIUM",
          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "NONE",
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          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N",
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  "published": "2020-05-15T19:15:12.430",
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  "vulnStatus": "Modified",
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}


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  • Confirmed: The vulnerability has been validated from an analyst's perspective.
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