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

CISA Known Exploited Vulnerability (KEV)

Description

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.

Required action (CISA)

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

Notes

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

Weakness behind it

CISA records this vulnerability as an instance of CWE-306. From there the chain continues into CAPEC attack patterns and ATT&CK techniques, all inside this corpus.

References

• NVD: https://nvd.nist.gov/vuln/detail/CVE-2023-27532
• KEV catalog: https://www.cisa.gov/known-exploited-vulnerabilities-catalog