What is CVE-2025-30389?

CVE-2025-30389 is a high-severity vulnerability in Microsoft Azure Ai Bot Service, classified under Improper Authorization. CVSS score: 8.7/10. Published 2025-04-30.

How severe is CVE-2025-30389?

High severity. CVSS v3 base score is 8.7 out of 10.

Is CVE-2025-30389 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Auth bypass in Microsoft Azure Ai Bot Service

CVE-2025-30389

Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.

EPSS: 0.007 (48.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

CWE-285 — Improper Authorization

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2025-30389?: CVE-2025-30389 is a high-severity vulnerability in Microsoft Azure Ai Bot Service, classified under Improper Authorization. CVSS score: 8.7/10. Published 2025-04-30.
How severe is CVE-2025-30389?: High severity. CVSS v3 base score is 8.7 out of 10.
Is CVE-2025-30389 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.