Improper Authentication in Red Hat Keycloak



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1718
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Keycloak
Server applications / Directory software, identity management

Vendor Keycloak

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU27879

Risk: Medium

CVSSv4.0: 2.4 [CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:N/VC:H/VI:L/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-1718

CWE-ID: CWE-287 - Improper Authentication

Exploit availability: No

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in the reset credential flow. A remote authenticated attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Keycloak: All versions

CPE2.3 External links

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1718


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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