How severe is CVE-2023-27532?

CVE-2023-27532 has a CVSS 3.1 base score of 7.5 (HIGH). EPSS estimates a 81.3% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2023-27532: Veeam Backup & Replication Cloud Connect Missing

CISA Known Exploited Vulnerabilities

Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2023-08-22

Remediation due

2023-09-12

Ransomware

Known use

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
https://www.veeam.com/kb4424; https://nvd.nist.gov/vuln/detail/CVE-2023-27532

Description

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.

Severity

CVSS 3.1 · CISA7.5 HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

SSVC · CISA-ADP

Exploitationactive

Automatableyes

Technical impactpartial

Affected Products

Vendor	Product	Affected versions
-	Veeam Backup & Replication	Fixed Versions: v12 (build 12.0.0.1420 P20230223) 11a (build 11.0.1.1261 P20230227)

References

1 Links

Other references

https://www.veeam.com/kb4424

Record Details

Published

2023-03-10

Last updated

2025-10-21

Assigner (CNA)

hackerone

Credited to

Related Tool Categories

Tool categories that test for or protect against this vulnerability class.

CWE-306 · Missing Authentication for Critical Function

IAM Tools Application Security Tools

CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.