Is CVE-2022-27593 actively exploited?

Yes. CVE-2022-27593 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2022-27593 be exploited remotely?

The attack vector of CVE-2022-27593 has not been classified yet.

What is the CVSS score of CVE-2022-27593?

CVE-2022-27593 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2022-27593

HIGHCISA KEVIN THE WILD

CVE-2022-27593

Published: September 8, 2022

EPSS:92.96%probability of exploitation in 30 daysPercentile:99.8th

Official 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.

NVD Source

CISA KEV Advisory

QNAP Photo Station Externally Controlled Reference Vulnerability

Added to KEV: 2022-09-08Federal patch deadline: 2022-09-29⚠ USED IN RANSOMWARE CAMPAIGNS

Required Action (CISA)

Apply updates per vendor instructions.

Risk Analysis

Certain QNAP NAS devices running Photo Station with internet exposure are vulnerable to an externally controlled reference to a resource, allowing an attacker to modify system files. This vulnerability has been observed in Deadbolt ransomware campaigns. The high EPSS score of 0.92960 indicates a very high likelihood of exploitation, making this a critical vulnerability for affected QNAP NAS users.

This vulnerability has been actively exploited in the wild, specifically in Deadbolt ransomware campaigns, and is included in CISA's KEV catalog. The remote nature of the exploit makes it a serious threat.

Recommended Action

QNAP NAS users should update Photo Station and their NAS firmware to the latest versions. It is also recommended to restrict internet exposure for NAS devices and implement robust backup strategies.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-27593 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2022-27593 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.