CVE-2023-49880 IBM Financial Transaction Manager for SWIFT Services data manipulation

High 7.5 Published 25 Dec 2023 Updated 2 Aug 2024

Attackers can modify sending addresses and message types in FIN messages due to incorrect immutability assumptions in the MER facility.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-49880?

CVE-2023-49880 is a high-severity vulnerability in Ibm Financial Transaction Manager, published on 25 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

In the Message Entry and Repair (MER) facility of IBM Financial Transaction Manager for SWIFT Services 3.2.4 the sending address and the message type of FIN messages are assumed to be immutable. However, an attacker might modify these elements of a business transaction. IBM X-Force ID: 273183.

Which versions are affected by CVE-2023-49880?

It affects 1 product.

Products include Ibm Financial Transaction Manager.

How do I fix CVE-2023-49880?

No fix has been published for CVE-2023-49880 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-49880 being exploited?

There is no known exploitation of CVE-2023-49880 in the wild and no public exploit code.

All Ibm Financial Transaction Manager vulnerabilities

Sources

Also known as GHSA-9mr3-mrj5-pc9x.