Cyber Resilience

CVE-2025-27909

Medium

Published: 18 August 2025

Published
18 August 2025
Modified
21 August 2025
KEV Added
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Patch
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CVSS Score v3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
EPSS Score 0.0004 13.7th percentile
Risk Priority 11 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-27909 is a medium-severity Permissive Cross-domain Security Policy with Untrusted Domains (CWE-942) vulnerability in Ibm Concert. Its CVSS base score is 5.4 (Medium).

Operationally, ranked at the 13.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

IBM Concert Software 1.0.0 through 1.1.0 uses cross-origin resource sharing (CORS) which could allow an attacker to carry out privileged actions as the domain name is not being limited to only trusted domains.

CWE(s)
CWE-942CWE-697

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

ibm
concert
1.0.0 — 2.0.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References