A vulnerability allowing an attacker with valid Administrator credentials to bypass multi-factor authentication by disabling it globally before completing MFA verification.

Metrics

Attack Vector Network

Attack Complexity Low

Privileges Required High

Attack Requirements None

User Interaction None

Vulnerable System Confidentiality Impact High

Vulnerable System Integrity Impact High

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

Vendors Products
Veeam
  • One

No data.

No data.

References
Link Providers
https://www.veeam.com/kb4951 cve-icon cve-icon
History

Tue, 27 Oct 2026 18:15:00 +0000

Type Values Removed Values Added
Title Administrator Credential Exploit Enables MFA Bypass by Disabling Global Two‑Factor Authentication

Tue, 27 Oct 2026 17:45:00 +0000

Type Values Removed Values Added
First Time appeared Veeam
Veeam one
Vendors & Products Veeam
Veeam one

Tue, 27 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Description A vulnerability allowing an attacker with valid Administrator credentials to bypass multi-factor authentication by disabling it globally before completing MFA verification.
Weaknesses CWE-288
References
Metrics cvssV4_0

{'score': 8.5, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N'}
cve-icon MITRE

Status: PUBLISHED

Assigner: hackerone

Published: 2026-10-27T16:16:58.921Z

Updated: 2026-10-27T16:16:58.921Z

Reserved: 2026-10-08T15:00:00.795Z

Link: CVE-2026-107671

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-10-27T17:16:56.920

Modified: 2026-10-28T14:47:07.963

Link: CVE-2026-107671

cve-icon Redhat

No data.