CVE-2020-1727

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Source
https://cve.org/CVERecord?id=CVE-2020-1727
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1727.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2020-1727
Published
2020-06-22T19:15:10.717Z
Modified
2026-07-22T03:44:53.743287Z
Severity
  • 5.4 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

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.

References

Affected packages

Git / github.com/keycloak/keycloak

Affected ranges

Type
GIT
Repo
https://github.com/keycloak/keycloak
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
f2f6ee737eba91421033fe349dddc0525b146f06
Database specific 
{
    "cpe": "cpe:2.3:a:redhat:keycloak:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "9.0.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

1.*
1.0-alpha-1
1.0-alpha-1-12062013
1.0-alpha-2
1.0-alpha-3
1.0-beta-1
1.0-beta-2
1.0-beta-4
1.0-final
1.0-rc-1
1.0.0.Final
1.1.0.Beta2
1.3.0.Final
2.*
2.4.0.Test

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-1727.json"