Known exploited vulnerability
CVE-2022-27593
The short answer
CVE-2022-27593 affects QNAP Systems Inc. Photo Station and is rated critical (CVSS 9.1). CISA added it to the Known Exploited Vulnerabilities catalog on 2022-09-08: attackers are using it, so patch it first.
What it is
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
Weakness: CWE-610.
Severity
9.1 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Exploited (CISA KEV)
Yes, since Sep 8, 2022
Federal due date Sep 29, 2022
EPSS, next 30 days
88%
Higher than 100% of scored CVEs
How it can be exploited
- Attack vector
- Network
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- None
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- High
- Availability impact
- High
What CISA says to do
Apply updates per vendor instructions.
Affected products
Photo Station. NVD's record lists the exact affected versions.
References
- www.qnap.com/en/security-advisory/qsa-22-24 Vendor Advisory
- www.qnap.com/en/security-advisory/qsa-22-24 Vendor Advisory
- www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2022-27593 US Government Resource
Questions
Is CVE-2022-27593 being exploited?
Yes. CISA added CVE-2022-27593 to its Known Exploited Vulnerabilities catalog on 2022-09-08, with a federal remediation due date of 2022-09-29. CISA lists it as used in ransomware campaigns.
How do I fix CVE-2022-27593?
CISA's required action: Apply updates per vendor instructions.
From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.
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