CVE-2023-27532
Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability
- High 7.5
- Exploited: added to CISA KEV 22 Aug 2023
- Used in ransomware campaigns
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.
Key facts
- Published
- 10 Mar 2023
- Last changed
- 21 Oct 2025
- Assigned by
- hackerone
- KEV added
- 22 Aug 2023
- KEV fix due
- 12 Sep 2023
- Used in ransomware
- Yes, according to CISA
- EPSS
- 80.599% likely to be exploited in the next 30 days, higher than 99.632% of CVEs (scores for 15 Nov 2026)
- SSVC (CISA)
- Exploitation: active; Automatable: yes; Technical impact: partial
Severity scores
Each score is shown as its source gave it. They are not averaged or merged.
- 7.5CVSS 3.1, Highfrom CISA (ADP container)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
What to do
- Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action
Historical context and remediation
This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.
No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.
Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.
Affected products
| Vendor | Product | Versions |
|---|---|---|
| n/a | Veeam Backup & Replication |
|
Timeline
- 10 Mar 2023 Published
- 22 Aug 2023 CVE-2023-27532 added to CISA KEV
- 22 Aug 2023 Added to the CISA KEV catalogue