CVE-2026-21671
Quick assessment
Affected
Veeam Software Appliance
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 Recovery存在安全漏洞，该漏洞源于允许具有备份管理员角色的经过身份验证的用户在高可用性部署中执行远程代码执行。
Possible ATT&CK Techniques 2 AI
T1068 · Exploitation for Privilege Escalation T1133 · External Remote ServicesAffected Version Matrix 1
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Veeam | Software Appliance | 13.0.1< 13.0.1 |
affected |
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I. Basic Information for CVE-2026-21671
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability allowing an authenticated user with the Backup Administrator role to perform remote code execution (RCE) in high availability (HA) deployments of Veeam Backup & Replication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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 Recovery存在安全漏洞，该漏洞源于允许具有备份管理员角色的经过身份验证的用户在高可用性部署中执行远程代码执行。
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)
Shenlong Deep Dive — AI Deep Analysis
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Veeam | Software Appliance | 13.0.1 ~ 13.0.1 | - |
|
II. Public POCs for CVE-2026-21671
| # | POC Description | Source Link | Shenlong Link |
|---|
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Vendor Advisories for CVE-2026-21671 (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-2026-21669 | 10.0 CRITICAL | Veeam Backup And Recovery 安全漏洞 |
| CVE-2026-21666 | 10.0 CRITICAL | Veeam Backup And Replication 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
V. Comments for CVE-2026-21671
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