CVE-2023-27532
HighExploitedPublic exploitThis may lead to gaining access to the backup infrastructure hosts.
Published Mar 10, 2023 · Updated Nov 3, 2025
Key Facts
Patch immediately- CVE-2023-27532 is a high-severity vulnerability (CVSS 7.5 v3.1) affecting Veeam Backup \& Replication, Veeam Backup & Replication.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 26, 2023 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 81% probability of exploitation in the next 30 days.
- Fixed versions are available, including Veeam Backup \& Replication 11.0.1.1261.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
EPSS (30-day exploit likelihood)
81%
Higher than 99.6% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2023-27532 brief as a PDF
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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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 22, 2023 | Sep 12, 2023 | Known |
| Industry KEV feed | Apr 26, 2023 | Sep 12, 2023 | Known |
| CIRCL KEV | Aug 22, 2023 | Sep 12, 2023 | Known |
| ENISA EUVD | Aug 22, 2023 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
7 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Veeam Backup \& ReplicationVeeam | 11.0.1.1261, 11.0.1.1261-p20211123, 11.0.1.1261-p20211211, 11.0.1.1261-p20220302, 12.0.0.1420 | 11.0.1.1261 |
| Veeam Backup & Replication | >= Fixed Versions: v12 (build 12.0.0.1420 P20230223) | n/a |
Patched Releases
Veeam Backup \& Replication
11.0.1.1261
Timeline
Publicly disclosed
Mar 10, 2023
Added to Industry KEV feed
Apr 26, 2023
Added to CISA KEV
Aug 22, 2023
Added to CIRCL KEV
Aug 22, 2023
Added to ENISA EUVD
Aug 22, 2023
Last updated
Nov 3, 2025
Weakness Type
- CWE-306 Missing Authentication for Critical Function
References
- advisoryhttps://www.veeam.com/kb4424
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
- exploitVulnCheck exploitation report
FAQ
Common Questions.
Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained.
Affected: Veeam Backup \& Replication versions 11.0.1.1261, 11.0.1.1261-p20211123, 11.0.1.1261-p20211211, 11.0.1.1261-p20220302, 12.0.0.1420; Veeam Backup & Replication versions >= Fixed Versions: v12 (build 12.0.0.1420 P20230223). The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Apr 26, 2023 and is known to be used in ransomware campaigns.
Yes. It was added on Aug 22, 2023 with a federal remediation due date of Sep 12, 2023.
Public exploit code is available.
Fixed versions are available, including Veeam Backup \& Replication 11.0.1.1261.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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