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[email protected]CVE-2021-20195

HistoryMay 28, 2021 - 11:15 a.m.

CVE-2021-20195

2021-05-2811:15:07

CWE-20

CWE-116

[email protected]

web.nvd.nist.gov

cve-2021-20195

keycloak

self stored xss

account takeover

data confidentiality

data integrity

system availability

nvd

9.6 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H

8.7 High

AI Score

Confidence

High

6.8 Medium

CVSS2

Access Vector

Access Complexity

Authentication

NONE

Confidentiality Impact

PARTIAL

Integrity Impact

PARTIAL

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:P/I:P/A:P

0.002 Low

EPSS

Percentile

52.9%

JSON

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.

Affected configurations

Vulners

NVD

Node

redhatkeycloakRange≤13.0.0

VendorProductVersionCPE
redhatkeycloak*cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
redhat	keycloak	*	cpe:2.3:a:redhat:keycloak::::::::

CNA Affected

[
  {
    "product": "keycloak",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "keycloak 13.0.0"
      }
    ]
  }
]