Vulnerability identifier: #VU20028

Vulnerability risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-11208

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
API Exchange Gateway
Server applications / Other server solutions

Vendor: TIBCO

Description

The vulnerability allows a remote attacker to escalate privileges within the application.

The vulnerability exists due to incorrect implementation of the OAuth authorization. A remote authenticated attacker can escalate privileges within the application for the specific customer endpoint, when the implementation uses multiple scopes.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

API Exchange Gateway: 2.3.0 - 2.3.1

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External links
http://www.tibco.com/support/advisories/2019/08/tibco-security-advisory-august-7-2019-tibco-api-exchange

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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.