Medium severity · published Jun 22, 2020
CVE-2020-1727
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…
5.4
CVSS
0.8%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.8% · higher than 56% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
KE
Keycloak · Redhat
before 9.0.2 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-1727
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-1727
Issue Tracking
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1727
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