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CVE-2026-21669

Quick assessment

Affected
Veeam Backup and Replication
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.

Veeam Backup And Recovery是美国Veeam公司的一个数据备份、恢复和复制软件。 Veeam Backup and Replication存在安全漏洞，该漏洞源于允许经过身份验证的域用户在备份服务器上执行远程代码执行。

CVSS 10.0 · Critical EPSS 1.17% · P66

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
Veeam Backup and Replication 13.0.1< 13.0.1 affected
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I. Basic Information for CVE-2026-21669

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Veeam Backup And Recovery 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Veeam Backup And Recovery是美国Veeam公司的一个数据备份、恢复和复制软件。 Veeam Backup and Replication存在安全漏洞，该漏洞源于允许经过身份验证的域用户在备份服务器上执行远程代码执行。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Veeam Backup and Replication 13.0.1 ~ 13.0.1 -

II. Public POCs for CVE-2026-21669

# POC Description Source Link Shenlong Link
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III. Intelligence Information for CVE-2026-21669

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Vendor Advisories for CVE-2026-21669 (1)

Same Patch Batch · Veeam · 2026-03-12 · 8 CVEs total

CVE-2026-21667 10.0 CRITICAL Veeam Backup And Replication 安全漏洞
CVE-2026-21666 10.0 CRITICAL Veeam Backup And Replication 安全漏洞
CVE-2026-21671 9.1 CRITICAL Veeam Backup And Recovery 安全漏洞
CVE-2026-21668 8.8 HIGH Veeam Backup And Replication 安全漏洞
CVE-2026-21670 7.7 HIGH Veeam Backup And Replication 安全漏洞
CVE-2026-21672 Veeam Backup And Recovery 安全漏洞
CVE-2026-21708 Veeam Backup And Replication 安全漏洞

IV. Related Vulnerabilities

Same product: Backup and Replication
Same vendor: Veeam

V. Comments for CVE-2026-21669

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