Improper access control in Apache Pulsar



Published: 2022-01-31
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-41571
CWE-ID CWE-284
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Apache Pulsar
Server applications / Conferencing, Collaboration and VoIP solutions

Vendor Apache Foundation

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Improper access control

EUVDB-ID: #VU60190

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-41571

CWE-ID: CWE-284 - Improper Access Control

Exploit availability: No

Description

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

The vulnerability exists due to improper access restrictions within the Admin API. A remote user can bypass implemented security restrictions and data that belong to another tenant.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Apache Pulsar: 2.7.0 - 2.7.3.0

External links

http://seclists.org/oss-sec/2022/q1/112
http://github.com/apache/pulsar/issues/11814


Q & A

Can this vulnerability be exploited remotely?

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