CVE-2022-27593
Actively exploited. CVE-2022-27593 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2022-09-08) — exploitation has been observed in the wild, and US federal agencies are required to remediate it under BOD 22-01. Treat patching as urgent.
Public exploit code is available. Proof-of-concept or working exploit code for CVE-2022-27593 is indexed in Nuclei. Expect opportunistic scanning and exploitation attempts — prioritize remediation.
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.
CSIRTS triage
- What
- Certain QNAP NAS running Photo Station have an externally controlled reference vulnerability that can allow an attacker to modify system files.
- Who is affected
- Users of QNAP NAS devices with Photo Station exposed to the internet.
- Urgency
- Remediation is urgent as this vulnerability has been exploited in ransomware attacks.
- Action
- Apply the latest updates for QNAP Photo Station and restrict internet exposure.
AI-assisted analysis generated from the source advisory — verify against the original.
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Exploitation outlook
- Exploitation confirmedAlready exploited in the wild (CISA KEV) — the prediction phase is over. Patch now. Riskier than 100% of all EPSS-scored CVEs.
Exploit availability
Public exploit or proof-of-concept code for CVE-2022-27593 is indexed in these free datasets. Available exploit code raises real-world risk independent of the CVSS score.
- NucleiA nuclei-templates detection/PoC template exists for this CVE.look it up ↗
Advisory coverage (1)
- criticalexploitedCVE-2022-27593: QNAP Photo Station Externally Controlled Reference Vulnerabilitycisa-kev · 2022-09-08
External references
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[](https://www.csirts.com/cve/CVE-2022-27593)