CVE-2023-27532: Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability

Published Mar 10, 2023
·
Updated

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.

Other sources

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.

CISA

Affected Software

13 affected components
Veeam Backup & Replication
Veeam Backup \& Replication=11.0.1.1261
Veeam Backup \& Replication=11.0.1.1261
Veeam Backup \& Replication=11.0.1.1261-p20211123
Veeam Backup \& Replication=11.0.1.1261-p20211211
Veeam Backup \& Replication=11.0.1.1261-p20220302
Veeam Backup \& Replication=12.0.0.1420
Veeam Veeam Backup \& Replication<11.0.1.1261
Veeam Veeam Backup \& Replication=11.0.1.1261
Veeam Veeam Backup \& Replication=11.0.1.1261-p20211123
Veeam Veeam Backup \& Replication=11.0.1.1261-p20211211
Veeam Veeam Backup \& Replication=11.0.1.1261-p20220302
Veeam Veeam Backup \& Replication=12.0.0.1420

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Compensating control

    Discontinue use of Veeam Backup & Replication (specifically the Cloud Connect component) if vendor mitigations are unavailable.

Event History

Mar 10, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
DescriptionWeakness
Data Sourced
via NVD·10:15 PM
DescriptionSeverityWeaknessAffected Software
Aug 22, 2023
Known Exploited
via CISA·12:00 AM
Known Ransomware
via CISA·12:00 AM
May 21, 2024
News Published
via BleepingComputer·10:24 PM
News Published
via BleepingComputer·10:25 PM
Jul 11, 2024
News Published
via The Register·07:28 AM
News Published
via The Register·07:32 AM
Sep 10, 2024
News Published
via BleepingComputer·10:35 AM
Oct 10, 2024
News Published
via BleepingComputer·10:07 PM
Nov 8, 2024
News Published
via BleepingComputer·08:23 PM
Nov 13, 2025
News Published
via BleepingComputer·10:32 PM
Nov 14, 2025
News Published
via The Register·03:02 PM
Dec 15, 2025
News Published
via The Register·11:34 PM
Feb 21, 2026
News Published
via BleepingComputer·01:50 PM
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Frequently Asked Questions

1

What is CVE-2023-27532?

CVE-2023-27532 is a vulnerability in Veeam Backup & Replication Cloud Connect component that allows an unauthenticated user to obtain encrypted credentials stored in the configuration database.

2

What is the severity of CVE-2023-27532?

The severity of CVE-2023-27532 is high with a CVSS score of 7.5.

3

How does CVE-2023-27532 affect Veeam Backup & Replication?

CVE-2023-27532 affects Veeam Backup & Replication versions 11.0.1.1261, 11.0.1.1261-p20211123, 11.0.1.1261-p20211211, 11.0.1.1261-p20220302, and 12.0.0.1420.

4

Is authentication required to exploit CVE-2023-27532?

No, CVE-2023-27532 does not require authentication for exploitation.

5

How can I mitigate the CVE-2023-27532 vulnerability?

To mitigate the CVE-2023-27532 vulnerability, ensure you have applied the latest patch provided by Veeam and follow their recommended security best practices.

Contact

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