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CVE-2022-27593

DeadBolt Ransomware

  • Critical 10.0
  • Exploited: added to CISA KEV 8 Sep 2022
  • Used in ransomware campaigns

Description

An externally controlled reference to a resource vulnerability has been reported to affect QNAP NAS running Photo Station. If exploited, This could allow an attacker to modify system files. We have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and later

Key facts

Published
8 Sep 2022
Last changed
21 Oct 2025
Assigned by
qnap
KEV added
8 Sep 2022
KEV fix due
29 Sep 2022
Used in ransomware
Yes, according to CISA
EPSS
87.908% likely to be exploited in the next 30 days, higher than 99.767% 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.

  • 10.0CVSS 3.1, Criticalfrom the CNA (qnap)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H

What to do

  • QNAP have already fixed the vulnerability in the following versions: QTS 5.0.1: Photo Station 6.1.2 and later QTS 5.0.0/4.5.x: Photo Station 6.0.22 and later QTS 4.3.6: Photo Station 5.7.18 and later QTS 4.3.3: Photo Station 5.4.15 and later QTS 4.2.6: Photo Station 5.2.14 and laterCNA solution statement
  • Apply updates per vendor instructions.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.

Read the original CVE record.

Affected products

VendorProductVersions
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 6.1.2 (affected)
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 6.0.22 (affected)
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 6.0.22 (affected)
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 5.7.18 (affected)
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 5.4.15 (affected)
QNAP Systems Inc.Photo Station
  • unspecified up to but excluding 5.2.14 (affected)

Timeline

  1. 8 Sep 2022 CVE-2022-27593 added to CISA KEV
  2. 8 Sep 2022 Added to the CISA KEV catalogue
  3. 8 Sep 2022 Published

Weakness

References