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CVE-2023-27532 (GCVE-0-2023-27532)

Vulnerability from cvelistv5 – Published: 2023-03-10 00:00 – Updated: 2025-10-21 23:15
VLAI CISA Previdian
Summary
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.
Severity
7.5 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
SSVC
Exploitation: active Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-01-28 21:19 UTC
CWE
  • CWE-306 - Missing Authentication for Critical Function (CWE-306)
Assigner
References
Impacted products
Vendor Product Version CPE status
n/a Veeam Backup & Replication Affected: Fixed Versions: v12 (build 12.0.0.1420 P20230223)
Affected: 11a (build 11.0.1.1261 P20230227)
CISA
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: bd8c2bd2-f671-4943-90e4-4d5b0d6f4f8f

Vulnerability ID: CVE-2023-27532

Status: Confirmed

Status Updated: 2023-08-22 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-08-22
Asserted: 2023-08-22
Scope
Notes: KEV entry: Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability | Affected: Veeam / Backup & Replication | 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: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable. | Due date: 2023-09-12 | Known ransomware campaign use (KEV): Known | Notes (KEV): https://www.veeam.com/kb4424; https://nvd.nist.gov/vuln/detail/CVE-2023-27532
Evidence

Type: Vendor Report

Signal: Successful Exploitation

Confidence: 80%

Source: cisa-kev

Details
Cwes CWE-306
Feed CISA Known Exploited Vulnerabilities Catalog
Product Backup & Replication
Due Date 2023-09-12
Date Added 2023-08-22
Vendorproject Veeam
Vulnerabilityname Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability
Knownransomwarecampaignuse Known
References
Created: 2026-02-02 12:26 UTC | Updated: 2026-02-06 07:17 UTC
Previdian
Known Exploited Vulnerability - GCVE BCP-07 Compliant
KEV entry ID: 85709f2d-29c9-468e-995e-c085f20fbaa4

Vulnerability ID: CVE-2023-27532

Status: Confirmed

Status Updated: 2023-08-22 00:00 UTC

Exploited: Yes

Timestamps
First Seen: 2023-08-22
Asserted: 2023-08-22
Scope
Notes: KEVIntel entry: Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This... | Affected: Veeam / Veeam Backup & Replication | CVSS: 7.5 (HIGH) | Used in malware: yes | Not yet in CISA KEV: False
Evidence

Type: Public Report

Signal: Confirmed Compromise

Confidence: 70%

Source: kevintel

Details
Feed KEVIntel (kevintel.com)
Title Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained. This...
Vendor Veeam
Product Veeam Backup & Replication
Added Date 2023-08-22T00:00:00.000Z
Cvss Score 7.5
Epss Score None
Cvss Severity HIGH
Epss Percentile None
Used In Malware yes
Ahead Of Cisa Kev None
Not Yet In Cisa Kev False
References
Created: 2026-06-23 14:05 UTC | Updated: 2026-07-10 06:14 UTC
Show details on NVD website
To clipboard 

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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
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  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
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