Overview
Certain QNAP NAS running Photo Station with internet exposure contain an externally controlled reference to a resource vulnerability which can allow an attacker to modify system files. This vulnerability was observed being utilized in a Deadbolt ransomware campaign.
https://www.qnap.com/en/security-advisory/qsa-22-24; https://nvd.nist.gov/vuln/detail/CVE-2022-27593
Key Details
| Property | Value |
|---|---|
| CVE ID | CVE-2022-27593 |
| Vendor / Product | QNAP — Photo Station |
| NVD Published | 2022-09-08 |
| NVD Last Modified | 2025-11-03 |
| CVSS 3.1 Score | 10 |
| CVSS 3.1 Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H |
| Severity | CRITICAL |
| CWE | CWE-610 |
| CISA KEV Added | 2022-09-08 |
| CISA KEV Deadline | 2022-09-29 |
| Known Ransomware Use | ⚠️ Yes |
CVSS 3.1 Breakdown
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
High
Availability
High
Required Action
CISA BOD 22-01 Deadline: 2022-09-29.
Apply updates per vendor instructions.
Timeline
| Date | Event |
|---|---|
| 2022-09-08 | Added to CISA Known Exploited Vulnerabilities catalog |
| 2022-09-29 | CISA BOD 22-01 remediation deadline |
References
| Resource | Type |
|---|---|
| NVD — CVE-2022-27593 | Vulnerability Database |
| CISA KEV Catalog Entry | US Government |