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CVE-2026-107671

Quick assessment

Affected
Veeam ONE
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

该漏洞允许拥有有效管理员凭据的攻击者，在未完成多因素身份验证（MFA）验证之前，通过全局禁用 MFA 来绕过多因素身份验证。

CVSS 8.5 · High

Possible ATT&CK Techniques 1 AI

T1551.004

Affected Version Matrix 1

VendorProduct Version RangeStatus
Veeam ONE 13.1≤ 13.1.0.7233 affected
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I. Basic Information for CVE-2026-107671

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability allowing an attacker with valid Administrator credentials to bypass multi-factor authentication by disabling it globally before completing MFA verification.
Source: CVE Program / CVE List V5
CVSS Information
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
Source: CVE Program / CVE List V5
Vulnerability Type
使用候选路径或通道进行的认证绕过
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Veeam ONE 13.1 ~ 13.1.0.7233 -

II. Public POCs for CVE-2026-107671

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-107671

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Other References for CVE-2026-107671 (1)

Same Patch Batch · Veeam · 2026-10-27 · 9 CVEs total

CVE-2026-108142 9.1 CRITICAL CDP Coordinator 服务未授权绕过漏洞
CVE-2026-106076 9.0 CRITICAL Veeam Backup for Microsoft 365 SQL 注入漏洞
CVE-2026-106077 8.3 HIGH Veeam Backup for Microsoft 365 任意文件读取漏洞
CVE-2026-105477 7.3 HIGH Veeam Agent for Linux 本地提权漏洞
CVE-2026-106078 6.9 MEDIUM Veeam Backup for Microsoft 365 认证绕过漏洞
CVE-2026-108141 5.9 MEDIUM Nas 备份服务相对路径遍历漏洞
CVE-2026-108140 5.9 MEDIUM 备份服务器相对路径遍历漏洞（Restore Operator 角色）
CVE-2025-64394 4.3 MEDIUM Veeam Backup for Microsoft 365 安装时提权漏洞

IV. Related Vulnerabilities

Same product: ONE
Same vendor: Veeam
Same weakness: CWE-288