CVE-2025-30389
CVE-2025-30389 is a high-severity vulnerability in Microsoft Azure Ai Bot Service with a CVSS 3.x base score of 8.7. 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-285.
Key facts
- Severity: High (CVSS 3.x base score 8.7)
- EPSS exploit prediction: 1% (49th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-12757
- Weakness: CWE-285
- Affected product: Microsoft Azure Ai Bot Service
- Published:
- Last modified:
Description
Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
Frequently asked questions
- What is CVE-2025-30389?
- Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
- How severe is CVE-2025-30389?
- CVE-2025-30389 has a CVSS 3.x base score of 8.7, rated high severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability none.
- Is CVE-2025-30389 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (49th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-30389?
- CVE-2025-30389 affects Microsoft Azure Ai Bot Service. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-30389?
- 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-2025-30389 have an EU (EUVD) identifier?
- Yes. CVE-2025-30389 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-12757.
- When was CVE-2025-30389 published?
- CVE-2025-30389 was published on 2025-04-30 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:azure_ai_bot_service:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Ai Bot Service
- CVE-2025-30392 — Critical (CVSS 9.8): Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
- CVE-2025-55244 — Critical (CVSS 9.0): Azure Bot Service Elevation of Privilege Vulnerability
- CVE-2026-32174 — High (CVSS 7.7): Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.
All CVEs affecting Microsoft Azure Ai Bot Service →
Other CWE-285 (Improper Authorization) vulnerabilities
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- CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
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- CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…
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