Improper Authentication in TIBCO EBX

1) Improper Authentication

EUVDB-ID: #VU57347

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2021-35498

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 insecure login mechanism in the TIBCO EBX Web Server component. A remote attacker can enter a password other than the legitimate password and it will be accepted as valid.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

TIBCO EBX: 5.8.123 - 6.0.1

TIBCO Product and Service Catalog powered by TIBCO EBX: 1.0.0

External links

http://www.tibco.com/services/support/advisories
http://www.tibco.com/support/advisories/2021/10/tibco-security-advisory-october-13-2021-tibco-ebx-2021-35498

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.