What is the CVSS score of CVE-2025-30398?

CVE-2025-30398 has a CVSS 3.1 base score of 8.1 (High). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N. EPSS exploitation probability: 0.1%.

Which versions of Nuance Powerscribe One are affected by CVE-2025-30398?

Organizations using Missing authorization in Nuance PowerScribe face notable risk from CVE-2025-30398, a missing authorization vulnerability rated CVSS 8.1.

How to fix or mitigate CVE-2025-30398?

Within 30 days: Identify all affected systems and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

Nuance Powerscribe One CVE-2025-30398

HIGH

Missing Authorization (CWE-862)

2025-11-11 secure@microsoft.com

Authentication Bypass Nuance Powerscribe One

8.1

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

8.1 HIGH

AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:21 vuln.today

CVE Published

Nov 11, 2025 - 18:15 nvd

HIGH 8.1

DescriptionNVD

Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network.

AnalysisAI

Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network. Rated high severity (CVSS 8.1), this vulnerability is remotely exploitable, no authentication required, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Missing Authorization (CWE-862), which allows attackers to access resources or perform actions without proper authorization checks. Missing authorization in Nuance PowerScribe allows an unauthorized attacker to disclose information over a network. Affected products include: Microsoft Nuance Powerscribe One.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement role-based access control, validate authorization on every request server-side, apply principle of least privilege.