CVEs / CVE-2023-27532
CVE-2023-27532: Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability
- Known exploited in the CISA KEV catalog since 22 Aug 2023
- high 7.5 CVSS 3.1 (NVD)
- EPSS 80.5% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2023-27532
Summary
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.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a Veeam Backup & Replication | Fixed Versions: v12 (build 12.0.0.1420 P20230223) | — |
| n/a Veeam Backup & Replication | 11a (build 11.0.1.1261 P20230227) | — |
Exploitation
| In CISA KEV since | 22 Aug 2023 |
|---|---|
| Due date for US federal agencies | 12 Sep 2023 |
| Used in ransomware campaigns | Known |
| Required action | Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 7.5 highCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:NScored by NVD |
|---|---|
| Weakness | CWE-306 |
References
- CVE-2023-27532 on NVD
- CVE-2023-27532 in the CISA KEV catalog
- https://www.veeam.com/kb4424 (cited by CISA)
- https://www.veeam.com/kb4424 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2023-27532 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.