CVE-2020-1727

Published on: 06/22/2020 12:00:00 AM UTC

Last Modified on: 03/23/2021 11:23:46 PM UTC

CVE-2020-1727

Source: Mitre Source: NIST CVE.ORG Print: PDF PDF
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N

Certain versions of Keycloak from Redhat contain the following vulnerability:

A vulnerability was found in Keycloak before 9.0.2, where every Authorization URL that points to an IDP server lacks proper input validation as it allows a wide range of characters. This flaw allows a malicious to craft deep links that introduce further attack scenarios on affected clients.

  • CVE-2020-1727 has been assigned by URL Logo seca[email protected] to track the vulnerability - currently rated as MEDIUM severity.
  • Affected Vendor/Software: URL Logo [UNKNOWN] - keycloak version Versions before 9.0.2

CVSS3 Score: 5.4 - MEDIUM

Attack
Vector ⓘ		 Attack
Complexity		 Privileges
Required		 User
Interaction
NETWORK LOW LOW NONE
Scope Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
UNCHANGED LOW LOW NONE

CVSS2 Score: 5.5 - MEDIUM

Access
Vector ⓘ		 Access
Complexity		 Authentication
NETWORK LOW SINGLE
Confidentiality
Impact		 Integrity
Impact		 Availability
Impact
PARTIAL PARTIAL NONE

CVE References

Description Tags ⓘ Link
1800573 – (CVE-2020-1727) CVE-2020-1727 keycloak: missing input validation in IDP authorization URLs Issue Tracking
Vendor Advisory
bugzilla.redhat.com
text/html
 URL Logo CONFIRM bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1727
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Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
ApplicationRedhatKeycloakAllAllAllAll
ApplicationRedhatKeycloakAllAllAllAll
  • cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*:
  • cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*:
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