Authentication bypass in VMware Carbon Black App Control Server



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2021-21998
CWE-ID CWE-287
Exploitation vector Network
Public exploit N/A
Vulnerable software
 VMware Carbon Black App Control Server
Server applications / Server solutions for antivurus protection

Vendor VMware, Inc

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Improper Authentication

EUVDB-ID: #VU54312

Risk: High

CVSSv4.0: 8 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-21998

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 when processing authentication requests. A remote attacker can bypass authentication process and gain unauthorized access to the application.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

VMware Carbon Black App Control Server: before 8.5.8

CPE2.3 External links

https://www.vmware.com/security/advisories/VMSA-2021-0012.html


Q & A

Can this vulnerability be exploited remotely?

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