CVE-2021-20195

CVSS V2 Medium 6.8 CVSS V3 Critical 9.6
Description
A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Overview
  • CVE ID
  • CVE-2021-20195
  • Assigner
  • secalert@redhat.com
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-28T11:15:07
  • Last Modified Date
  • 2022-08-05T15:21:13
Weakness Enumerations
CWE URL
CWE-116 http://cwe.mitre.org/data/definitions/116.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:* 1 OR 12.0.3
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:M/Au:N/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • MEDIUM
  • Authentication
  • NONE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.8
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8.6
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • REQUIRED
  • Scope
  • CHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 9.6
  • Base Severity
  • CRITICAL
  • Exploitability Score
  • 2.8
  • Impact Score
  • 6
References
Reference URL Reference Tags
https://bugzilla.redhat.com/show_bug.cgi?id=1919143 Issue Tracking Vendor Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-20195
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-20195
History
Created Old Value New Value Data Type Notes
2022-05-10 07:12:00 Added to TrackCVE
2022-12-05 03:13:17 2021-05-28T11:15Z 2021-05-28T11:15:07 CVE Published Date updated
2022-12-05 03:13:17 2022-08-05T15:21:13 CVE Modified Date updated
2022-12-05 03:13:17 Analyzed Vulnerability Status updated