Overview
Veeam Backup & Replication Cloud Connect component contains a missing authentication for critical function vulnerability that allows an unauthenticated user operating within the backup infrastructure network perimeter to obtain encrypted credentials stored in the configuration database. This may lead to an attacker gaining access to the backup infrastructure hosts.
https://www.veeam.com/kb4424; https://nvd.nist.gov/vuln/detail/CVE-2023-27532
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2023-27532 |
| Vendor / Product | Veeam — Backup & Replication |
| NVD Published | 2023-03-10 |
| NVD Last Modified | 2025-11-03 |
| CVSS 3.1 Score | 7.5 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| Severity | HIGH |
| CWE | CWE-306 |
| CISA KEV Added | 2023-08-22 |
| CISA KEV Deadline | 2023-09-12 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
Required Action
CISA BOD 22-01 Deadline: 2023-09-12.
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Timeline
| Date | Event |
|---|---|
| 2023-08-22 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2023-09-12 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2023-27532 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |