Exploited vulnerability · CISA KEV

Is CVE-2022-27593 exploited? Yes: in CISA KEV since 8 Sep 2022

Gociux · QNAP Photo Station · data: CISA KEV, CVE record, FIRST EPSS

Yes. CVE-2022-27593, QNAP Photo Station Externally Controlled Reference Vulnerability, is being exploited in the wild. CISA added it to its Known Exploited Vulnerabilities catalog on 8 Sep 2022, the day it was published. It is known to be used in ransomware campaigns. It affects QNAP Photo Station. If you run it, CISA's required action is: Apply updates per vendor instructions.

What it is

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.

What to do

1. Check whether you run it. Look for Photo Station in your asset inventory, including appliances and cloud images. Stack check lists every exploited QNAP CVE at once.
2. Apply the fix. Apply updates per vendor instructions.
3. If you can't patch today, take the affected service off the internet or restrict who can reach it, and check its logs for signs of compromise since 8 Sep 2022.
4. Get told next time. Email alerts when CISA adds a CVE for QNAP.

Other exploited CVEs in Photo Station

• CVE-2019-7195: QNAP Photo Station Path Traversal Vulnerability (8 Jun 2022)
• CVE-2019-7194: QNAP Photo Station Path Traversal Vulnerability (8 Jun 2022)
• CVE-2019-7192: QNAP Photo Station Improper Access Control Vulnerability (8 Jun 2022)

References

• www.qnap.com/en/security-advisory/qsa-22-24
• nvd.nist.gov/vuln/detail/CVE-2022-27593

Sources: CISA KEV (exploitation, ransomware use, required action, due date), the CVE record (publication date, CVSS, CNA), NVD and FIRST EPSS (live score). More: all KEV additions in September 2022 · QNAP scorecard · act-now radar.