#VU56966 Improper access control in AMQ Broker - CVE-2021-3763

Vulnerability identifier: #VU56966

Vulnerability risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2021-3763

CWE-ID: CWE-284

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
AMQ Broker
Server applications / Application servers

Vendor: Red Hat Inc.

Description

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

The vulnerability exists due to improper access restrictions for users without a role set. A remote privileged user can bypass implemented security restrictions and gain unauthorized access to the in the management console.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

AMQ Broker: 7.8 - 7.8.2

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External links
https://access.redhat.com/errata/RHSA-2021:3700
https://bugzilla.redhat.com/show_bug.cgi?id=2000654

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Q & A

Can this vulnerability be exploited remotely?

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

Is there known malware, which exploits this vulnerability?

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