ClosedPatched

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

Veeam Backup & Replication

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. Added to CISA KEV on 2023-08-22. CISA lists known use in ransomware campaigns.

Why this severity: CVSS 7.5 (NVD), actively exploited (CISA KEV), known ransomware use

Started: Aug 22, 2023
Closed: Aug 22, 2023
CVE: CVE-2023-27532

Follow this incident

Updated Aug 22, 2023

Affected

See vendor advisory / CISA notes (versions not always listed in KEV feed)

Fixed in

See vendor advisory linked in sources

Timeline1

Aug 22, 2023
CISA added CVE-2023-27532 to the KEV catalog (due 2023-09-12).

Advisories3

Notes & caveats

Derived from CISA KEV JSON feed catalogVersion 2026.10.21. Exact affected/fixed version strings are not always in the KEV record — verify against the vendor advisory URL. startedAt uses dateAdded (exploitation may have begun earlier).

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