How severe is CVE-2024-56476?

CVE-2024-56476 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2024-56476 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-56476?

CVE-2024-56476 primarily affects Ibm Txseries For Multiplatforms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2024-56476?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-56476 have an EU (EUVD) identifier?

Yes. CVE-2024-56476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54359.

When was CVE-2024-56476 published?

CVE-2024-56476 was published on 2025-04-02 and last updated on 2026-06-17.

CVE-2024-56476

CVE-2024-56476 is a medium-severity vulnerability in Ibm Txseries For Multiplatforms with a CVSS 3.x base score of 5.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-204.

Key facts

Severity: Medium (CVSS 3.x base score 5.3)
EPSS exploit prediction: 0% (21st percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-54359
Weakness: CWE-204
Affected product: Ibm Txseries For Multiplatforms
Published: 2025-04-02
Last modified: 2026-06-17

Description

IBM TXSeries for Multiplatforms 9.1 and 11.1 could allow an attacker to enumerate usernames due to an observable login attempt response discrepancy.

Frequently asked questions

What is CVE-2024-56476?: IBM TXSeries for Multiplatforms 9.1 and 11.1 could allow an attacker to enumerate usernames due to an observable login attempt response discrepancy.
How severe is CVE-2024-56476?: CVE-2024-56476 has a CVSS 3.x base score of 5.3, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2024-56476 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (21st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-56476?: CVE-2024-56476 primarily affects Ibm Txseries For Multiplatforms. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2024-56476?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-56476 have an EU (EUVD) identifier?: Yes. CVE-2024-56476 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-54359.
When was CVE-2024-56476 published?: CVE-2024-56476 was published on 2025-04-02 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7229880

Affected products (2)

cpe:2.3:a:ibm:txseries_for_multiplatforms:9.1:*:*:*:*:*:*:*
cpe:2.3:a:ibm:txseries_for_multiplatforms:11.1:*:*:*:*:*:*:*

More vulnerabilities in Ibm Txseries For Multiplatforms

CVE-2024-41743 — High (CVSS 7.5): IBM TXSeries for Multiplatforms 10.1 could allow a remote attacker to cause a denial of service using persistent…
CVE-2024-41742 — High (CVSS 7.5): IBM TXSeries for Multiplatforms 10.1 is vulnerable to a denial of service, caused by improper enforcement of the…
CVE-2024-41738 — Medium (CVSS 5.9): IBM TXSeries for Multiplatforms 10.1 could allow an attacker to obtain sensitive information from the query string of…
CVE-2024-56475 — Medium (CVSS 5.4): IBM TXSeries for Multiplatforms 9.1 and 11.1 is vulnerable to cross-site scripting. This vulnerability allows an…
CVE-2025-0154 — Medium (CVSS 5.3): IBM TXSeries for Multiplatforms 9.1 and 11.1 could disclose sensitive information to a remote attacker due to improper…
CVE-2024-41741 — Medium (CVSS 5.3): IBM TXSeries for Multiplatforms 10.1 could allow an attacker to determine valid usernames due to an observable timing…

All CVEs affecting Ibm Txseries For Multiplatforms →

Other CWE-204 vulnerabilities

CVE-2018-25350 — Critical (CVSS 9.8): userSpice 4.3.24 contains a username enumeration vulnerability that allows unauthenticated attackers to discover valid…
CVE-2025-5485 — High (CVSS 8.6): User names used to access the web management interface are limited to the device identifier, which is a numerical…
CVE-2026-33419 — High (CVSS 7.5): MinIO is a high-performance object storage system. Prior to RELEASE.2026-03-17T21-25-16Z, MinIO AIStor's STS (Security…
CVE-2025-12455 — High (CVSS 7.5): Observable response discrepancy vulnerability in OpenText™ Vertica allows Password Brute Forcing. The…
CVE-2025-46390 — High (CVSS 7.5): CWE-204: Observable Response Discrepancy
CVE-2025-3092 — High (CVSS 7.5): An unauthenticated remote attacker can enumerate valid user names from an unprotected endpoint.

Browse all CWE-204 vulnerabilities →