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Fencer Vulns
high 7.5

CVE-2023-27532 kev+ ransomware in the critical feed json

Vulnerability in Veeam Backup & Replication component allows encrypted credentials stored in the configuration database to be obtained.

published 2023-03-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-31287

cvss
7.5
version 3.1, CNA
cisa kev
Exploited
added 2023-08-22, used in ransomware
epss
80.6%
EPSS 80.6% chance of exploitation in 30 days, percentile 99.6%
public exploits
0
none known

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.

Patch / fix

cisa required action Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

  • veeam veeam_backup_&_replication 11.0.1.1261

Timeline

  1. Published
  2. Added to CISA KEV
  3. CISA patch deadline
  4. CISA SSVC: exploitation active

Known exploited

Added
3 y ago
Patch by
2023-09-12 (3 y ago)
Ransomware
Known to be used in ransomware campaigns
Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Vendor, product
Veeam, Backup & Replication
CISA name
Veeam Backup & Replication Cloud Connect Missing Authentication for Critical Function Vulnerability

Ransomware

Groups reported to have exploited it in intrusions.

  • Akira ransomware gang
  • FIN7 affiliate
  • Cuba ransomware gang
  • CosmicBeetle affiliate
  • Qilin ransomware gang
  • RansomHub ransomware gang

reported by labs.withsecure.comblogs.blackberry.comwelivesecurity.comnews.sophos.comnews.sophos.comsecurity.comgroup-ib.com

Ransomware Vulnerability Matrix by BushidoUK (github.com/BushidoUK/Ransomware-Vulnerability-Matrix), reformatted per CVE. CC BY 4.0

ATT&CK techniques

How it is exploited and what it leads to, in MITRE ATT&CK terms.

  • T1133 External Remote Services exploitation
  • T1059.003 Windows Command Shell primary impact
  • T1087 Account Discovery secondary impact
  • T1087.001 Local Account secondary impact
  • T1486 Data Encrypted for Impact secondary impact
  • T1555 Credentials from Password Stores secondary impact

kev release 2025-07-28, att&ck v16.1. KEV to ATT&CK mappings by the MITRE Center for Threat-Informed Defense (Mappings Explorer, Apache-2.0). © 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. Terms of use

CISA SSVC

Exploitation
Active, exploited in the wild
Automatable
yes
Technical impact
partial
Assessed
21 mo ago

Exploit prediction

80.60% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CNA 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

  • n/a Veeam Backup & Replication

Classification

Weakness
  • CWE-306 Missing Authentication for Critical Functionality

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.