How severe is CVE-2025-64645?

CVE-2025-64645 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.

Is CVE-2025-64645 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-64645?

CVE-2025-64645 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-64645?

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.

Does CVE-2025-64645 have an EU (EUVD) identifier?

Yes. CVE-2025-64645 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205438.

When was CVE-2025-64645 published?

CVE-2025-64645 was published on 2025-12-26 and last updated on 2026-06-17.

CVE-2025-64645

CVE-2025-64645 is a high-severity vulnerability in Ibm Concert with a CVSS 3.x base score of 7.7. 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-367.

Key facts

Severity: High (CVSS 3.x base score 7.7)
EPSS exploit prediction: 0% (2nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-205438
Weakness: CWE-367
Affected product: Ibm Concert
Published: 2025-12-26
Last modified: 2026-06-17

Description

IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link.

Frequently asked questions

What is CVE-2025-64645?: IBM Concert 1.0.0 through 2.1.0 could allow a local user to escalate their privileges due to a race condition of a symbolic link.
How severe is CVE-2025-64645?: CVE-2025-64645 has a CVSS 3.x base score of 7.7, rated high severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
Is CVE-2025-64645 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (2nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-64645?: CVE-2025-64645 affects Ibm Concert. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-64645?: 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.
Does CVE-2025-64645 have an EU (EUVD) identifier?: Yes. CVE-2025-64645 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-205438.
When was CVE-2025-64645 published?: CVE-2025-64645 was published on 2025-12-26 and last updated on 2026-06-17.

References

https://www.ibm.com/support/pages/node/7255549

Affected products (1)

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

More vulnerabilities in Ibm Concert

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CVE-2025-33090 — High (CVSS 7.5): IBM Concert Software 1.0.0 through 1.1.0 could allow a remote attacker to cause a denial of service using a specially…
CVE-2025-33088 — High (CVSS 7.4): IBM Concert 1.0.0 through 2.1.0 could allow a local user with specific knowledge about the system's architecture to…
CVE-2025-33089 — Medium (CVSS 6.5): IBM Concert 1.0.0 through 2.1.0 could allow a remote attacker to obtain sensitive information or perform unauthorized…

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