CVEs / CVE-2022-27593
CVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerability
- Known exploited in the CISA KEV catalog since 8 Sep 2022
- critical 9.1 CVSS 3.1 (NVD)
- EPSS 87.9% chance of exploitation in the next 30 days, higher than 99% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
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.
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
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| QNAP Systems Inc. Photo Station | from unspecified, before 6.1.2 | 6.1.2 |
| QNAP Systems Inc. Photo Station | from unspecified, before 6.0.22 | 6.0.22 |
| QNAP Systems Inc. Photo Station | from unspecified, before 5.7.18 | 5.7.18 |
| QNAP Systems Inc. Photo Station | from unspecified, before 5.4.15 | 5.4.15 |
| QNAP Systems Inc. Photo Station | from unspecified, before 5.2.14 | 5.2.14 |
Exploitation
| In CISA KEV since | 8 Sep 2022 |
|---|---|
| Due date for US federal agencies | 29 Sep 2022 |
| Used in ransomware campaigns | Known |
| Required action | Apply updates per vendor instructions. |
Severity
| CVSS 3.1 | 9.1 criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-610 |
References
- CVE-2022-27593 on NVD
- CVE-2022-27593 in the CISA KEV catalog
- https://www.qnap.com/en/security-advisory/qsa-22-24 (cited by CISA)
- https://www.qnap.com/en/security-advisory/qsa-22-24 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27593 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.