Improper access control in JBoss EJB client for WildFly



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-20250
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
 JBoss EJB client for WildFly
Universal components / Libraries / Libraries used by multiple products

Vendor Red Hat Inc.

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper access control

EUVDB-ID: #VU51520

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-20250

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote non-authenticated attacker can  gain unauthorized access to sensitive information.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

JBoss EJB client for WildFly: 4.0.38

CPE2.3 External links

https://access.redhat.com/errata/RHSA-2021:0873
https://github.com/wildfly/jboss-ejb-client/pull/503


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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