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
Published 2022-09-08 11:15:20
Updated 2022-09-13 14:41:36
View at NVD,   CVE.org

CVE-2022-27593 is in the CISA Known Exploited Vulnerabilities Catalog

This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
QNAP Photo Station Externally Controlled Reference Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
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.
Notes:
https://www.qnap.com/en/security-advisory/qsa-22-24
Added on 2022-09-08 Action due date 2022-09-29

Exploit prediction scoring system (EPSS) score for CVE-2022-27593

57.08%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 98 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-27593

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
9.1
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
3.9
5.2
NIST
10.0
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:H/A:H
3.9
6.0
QNAP Systems, Inc.

CWE ids for CVE-2022-27593

References for CVE-2022-27593

Products affected by CVE-2022-27593

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