How severe is CVE-2024-51451?

CVE-2024-51451 has a CVSS 3.x base score of 6.5, 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 low, and availability none.

Is CVE-2024-51451 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-51451?

CVE-2024-51451 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-51451?

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

Does CVE-2024-51451 have an EU (EUVD) identifier?

Yes. CVE-2024-51451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55396.

When was CVE-2024-51451 published?

CVE-2024-51451 was published on 2026-02-04 and last updated on 2026-06-17.

CVE-2024-51451

CVE-2024-51451 is a medium-severity vulnerability in Ibm Concert with a CVSS 3.x base score of 6.5. 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-644.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 0% (12th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-55396
Weakness: CWE-644
Affected product: Ibm Concert
Published: 2026-02-04
Last modified: 2026-06-17

Description

IBM Concert 1.0.0 through 2.1.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.

Frequently asked questions

What is CVE-2024-51451?: IBM Concert 1.0.0 through 2.1.0 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow an attacker to conduct various attacks against the vulnerable system, including cross-site scripting, cache poisoning or session hijacking.
How severe is CVE-2024-51451?: CVE-2024-51451 has a CVSS 3.x base score of 6.5, 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 low, and availability none.
Is CVE-2024-51451 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (12th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-51451?: CVE-2024-51451 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-51451?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-51451 have an EU (EUVD) identifier?: Yes. CVE-2024-51451 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-55396.
When was CVE-2024-51451 published?: CVE-2024-51451 was published on 2026-02-04 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7257006

Affected products (1)

cpe:2.3:a:ibm:concert:*:*:*:*:*:*:*:*

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