CVE Explorer
CVE-2026-21666
A vulnerability allowing an authenticated domain user to perform remote code execution (RCE) on the Backup Server.
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unaffected","product":"Backup and Replication","vendor":"Veeam","versions":[{"lessThan":"12.3.2","status":"affected","version":"12.3.2","versionType":"semver"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:d7169d7a8fe5d34addd20b6d6745b0818b9b7e1aa9b5381876a7be9c4b21b603 · sha256:9fd31634189bdf4e… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"baseScore":10,"baseSeverity":"CRITICAL","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:d7169d7a8fe5d34addd20b6d6745b0818b9b7e1aa9b5381876a7be9c4b21b603 · sha256:9fd31634189bdf4e… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-284","description":"CWE-284 Improper Access Control","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:d7169d7a8fe5d34addd20b6d6745b0818b9b7e1aa9b5381876a7be9c4b21b603 · sha256:9fd31634189bdf4e… · /containers/adp/0/problemTypes/0/descriptions/0
Source references
1 source assertion{"url":"https://www.veeam.com/kb4830"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:d7169d7a8fe5d34addd20b6d6745b0818b9b7e1aa9b5381876a7be9c4b21b603 · sha256:9fd31634189bdf4e… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.