How severe is CVE-2023-49880?

CVE-2023-49880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2023-49880 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-49880?

CVE-2023-49880 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-49880?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2023-49880 published?

CVE-2023-49880 was published on 2023-12-25 and last updated on 2026-06-17.

CVE-2023-49880

CVE-2023-49880 is a high-severity vulnerability in Ibm Financial Transaction Manager with a CVSS 3.x base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: High (CVSS 3.x base score 7.5)
EPSS exploit prediction: 1% (41st percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Ibm Financial Transaction Manager
Published: 2023-12-25
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2023-49880?: 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.
How severe is CVE-2023-49880?: CVE-2023-49880 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2023-49880 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (41st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-49880?: CVE-2023-49880 affects Ibm Financial Transaction Manager. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-49880?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2023-49880 published?: CVE-2023-49880 was published on 2023-12-25 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:ibm:financial_transaction_manager:3.2.4:*:*:*:*:swift_services:*:*

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