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The vulnerability of Veeam Backup & Replication’s protection mechanism for cloud, virtual, and physical systems, related to access control errors, allows attackers to execute arbitrary code.
🗓️ 14 Apr 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec🔗 bdu.fstec.ru👁 1 Views
| Reporter | Title | Published | Views | Family All 17 |
|---|---|---|---|---|
 | CVE-2026-21671 | 12 Mar 202615:09 | – | attackerkb |
 | CVE-2026-21671 | 12 Mar 202614:10 | – | circl |
 | Veeam Backup And Recovery 安全漏洞 | 12 Mar 202600:00 | – | cnnvd |
 | CVE-2026-21671 | 12 Mar 202615:09 | – | cve |
 | CVE-2026-21671 | 12 Mar 202615:09 | – | cvelist |
 | EUVD-2026-11583 | 12 Mar 202615:30 | – | euvd |
 | Vulnerabilities fixed in Veeam Backup & Replication | 12 Mar 202614:54 | – | ncsc |
 | CVE-2026-21671 | 12 Mar 202615:16 | – | nvd |
 | PT-2026-24957 | 12 Mar 202600:00 | – | ptsecurity |
 | CVE-2026-21671 | 26 Mar 202615:04 | – | redhatcve |
10
Node
| Source | Link |
|---|---|
| veeam | www.veeam.com/kb4831 |
| web | www.web.nvd.nist.gov/view/vuln/detail |
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14 Apr 2026 00:00Current
7.5High risk
Vulners AI Score7.5
CVSS 29
CVSS 39.1
EPSS0.01329