#VU84777 Generation of incorrect security tokens in Financial Transaction Manager for SWIFT Services - CVE-2023-49880

Vulnerability identifier: #VU84777

Vulnerability risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-49880

CWE-ID: CWE-1270

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Financial Transaction Manager for SWIFT Services
Other software / Other software solutions

Vendor: IBM Corporation

Description

The vulnerability allows a remote attacker to gain access to sensitive information.

The vulnerability exists due to usage of an insecure token for the sending address and the message type of FIN messages in the Message Entry and Repair (MER) facility. A remote attacker can guess address and message type and gain access to sensitive information.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Financial Transaction Manager for SWIFT Services: before 3.2.4.11

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External links
https://www.ibm.com/support/pages/node/7101167
https://exchange.xforce.ibmcloud.com/vulnerabilities/273183

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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.