CVE DATABASE / CVE-2023-27532

CVE-2023-27532

Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability

CVSS 7.5 · HIGH ⚠ CISA KEV — ACTIVELY EXPLOITED RANSOMWARE

On the CISA KEV catalog

Confirmed exploited in the wild. Added 2023-08-22. Federal remediation due 2023-09-12.
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Summary

Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This may lead to gaining access to the backup infrastructure hosts.

CVSS 3.1 breakdown

Base score	7.5 (HIGH)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector	NETWORK
Attack complexity	LOW
Privileges required	NONE
User interaction	NONE
Scope	UNCHANGED
Confidentiality	HIGH
Integrity	NONE
Availability	NONE

Weakness type (CWE)

CWE-306

Affected products

Veeam veeam backup \& replication

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References

Data: NIST NVD + CISA KEV. NVD last modified 2025-11-03. Always verify against the vendor advisory before acting.