#VU66614 Improper Authentication in Cloud Pak for Security (CP4S) - CVE-2021-20578

Vulnerability identifier: #VU66614

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2021-20578

CWE-ID: CWE-287

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Cloud Pak for Security (CP4S)
Client/Desktop applications / Other client software

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to bypass authentication process.

The vulnerability exists due to an error in 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

Cloud Pak for Security (CP4S): 1.7.0.0 - 1.7.2.0

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External links
https://www.ibm.com/support/pages/node/6493729
https://exchange.xforce.ibmcloud.com/vulnerabilities/199282

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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.