CVE-2020-27826

CVSS V2 Medium 4.9 CVSS V3 Medium 4.2
Description
A flaw was found in Keycloak before version 12.0.0 where it is possible to update the user's metadata attributes using Account REST API. This flaw allows an attacker to change its own NameID attribute to impersonate the admin user for any particular application.
Overview
  • CVE ID
  • CVE-2020-27826
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-28T11:15:07
  • Last Modified Date
  • 2021-06-04T16:50:52
Weakness Enumerations
CWE URL
CWE-250 http://cwe.mitre.org/data/definitions/250.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* 1 OR 12.0.0
cpe:2.3:a:redhat:single_sign-on:-:*:*:*:text-only:*:*:* 1 OR
cpe:2.3:a:redhat:single_sign-on:7.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:redhat:single_sign-on:7.4.4:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:S/C:P/I:P/A:N
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • NONE
  • Base Score
  • 4.9
  • Severity
  • MEDIUM
  • Exploitability Score
  • 6.8
  • Impact Score
  • 4.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • HIGH
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • LOW
  • Availability Impact
  • NONE
  • Base Score
  • 4.2
  • Base Severity
  • MEDIUM
  • Exploitability Score
  • 1.6
  • Impact Score
  • 2.5
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1905089 Issue Tracking Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2020-27826
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-27826
History
Created Old Value New Value Data Type Notes
2022-05-10 16:13:35 Added to TrackCVE
2022-12-05 03:12:55 2021-05-28T11:15Z 2021-05-28T11:15:07 CVE Published Date updated
2022-12-05 03:12:55 2021-06-04T16:50:52 CVE Modified Date updated
2022-12-05 03:12:55 Analyzed Vulnerability Status updated