Authentication Bypass in Azure AI Face Service by Microsoft
CVE-2025-21415

9.9CRITICAL

Key Information:

Vendor
Microsoft
Status
Azure Ai Face Service
Vendor
CVE Published:
29 January 2025

Badges

📈 Score: 1,250👾 Exploit Exists📰 News Worthy

What is CVE-2025-21415?

CVE-2025-21415 is a significant vulnerability found in the Azure AI Face Service, a cloud-based service developed by Microsoft that allows applications to process and analyze images using facial recognition technology. This vulnerability involves an authentication bypass, which enables an unauthorized user to spoof authentication processes, leading to privilege escalation over the network. Organizations relying on Azure AI Face Service may face serious security risks if this vulnerability is exploited, as it could compromise sensitive user data and undermine the integrity of security protocols.

Technical Details

The core of CVE-2025-21415 lies in a flaw that permits attackers to misrepresent their authentication status, allowing unauthorized privileges to be maintained or escalated. This exploit operates by exploiting weaknesses in the authentication framework of the Azure AI Face Service, presenting a potential opportunity for attackers to manipulate access controls without proper validation. Details on exact technical methods of exploitation are not disclosed, but the bypass mechanism raises severe concerns about the reliability of the service in protecting user identities.

Potential Impact of CVE-2025-21415

  1. Unauthorized Access: Attackers can gain elevated privileges, allowing them to access sensitive information and functionalities within the Azure AI Face Service, potentially leading to data breaches.

  2. Compromise of User Data: If exploited, this vulnerability could result in unauthorized manipulation of user images and profiles, challenging data integrity and privacy for organizations using this service in their applications.

  3. Operational Disruption: Organizations may experience operational challenges, including reputational damage and loss of customer trust, if the vulnerability is exploited, resulting in a significant impact on service reliability and security measures.

Affected Version(s)

Azure AI Face Service Unknown

News Articles

favicon imageSC Media

Microsoft fixes CVSS 9.9 vulnerability in Azure AI Face service

The flaw enabled authentication bypass by spoofing, with a proof-of-concept exploit available.

favicon imageCybersecurityNews

Microsoft Azure AI Face Service Elevation of Privilege Vulnerability Let Attackers Gain Network Access

Microsoft has disclosed a critical vulnerability, CVE-2025-21415, impacting the Azure AI Face Service, which is classified as an Elevation of Privilege issue,

favicon imageThe Hacker News

Microsoft Patches Critical Azure AI Face Service Vulnerability with CVSS 9.9 Score

Microsoft fixes CVE-2025-21415 (CVSS 9.9) and CVE-2025-21396 flaws, addressing privilege escalation risks in Azure AI Face Service and Microsoft Accou

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
9.9
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Changed

Timeline

  • 👾

    Exploit known to exist

  • 📰

    First article discovered by The Hacker News

  • Vulnerability published

  • Vulnerability Reserved

.