QNAP NAS File Station Cross-Site Scripting Vulnerability
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build…
Severity = CVSS. Probability = EPSS (FIRST). Exploitation = public signals: KEV, EUVD, ransomware, EPSS above 10 %, no account required.
Exploitation probability EPSS · FIRST
Exploitation signals 4 / 5
- KEV catalog (CISA)24 May 2022
- Exploited in EUVD (ENISA)24 May 2022
- Used by ransomwareyes
- EPSS above 10 %22.7%
- No account, over the networkno
What to do
Fix
Apply the vendor’s fix as soon as it is available.
CISA guidance: Apply updates per vendor instructions.
Meanwhile
Take the service off the internet or restrict access to it, watch the logs and look for signs of compromise.
Manufacturers (CRA)
Exploited vulnerability in your product: early warning to ENISA within 24 h, then notification within 72 h (Article 14 of the Cyber Resilience Act). The CRA explained
Description ENISA EUVD
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the following QTS versions. QTS 4.4.2.1270 build 20200410 and later QTS 4.4.1.1261 build 20200330 and later QTS 4.3.6.1263 build 20200330 and later QTS 4.3.4.1282 build 20200408 and later QTS 4.3.3.1252 build 20200409 and later QTS 4.2.6 build 20200421 and later
Affected products
- unspecified <4.3.3.1252
- unspecified <4.4.2.1270
- unspecified <4.3.6.1263
- unspecified <4.4.1.1261
- unspecified <4.3.4.1282
- unspecified <4.2.6
Open source packages OSV
Affected libraries according to OSV, with fixed versions.
Timeline
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Published
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Exploitation reported (ENISA)
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Added to the KEV catalog
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CISA remediation due date
-
EPSS peak: 22.7%
References
Other exploited vulnerabilities from the same vendor
- CVE-2023-47565QNAP VioStor NVR OS Command Injection Vulnerability7.2 · Background exploitation
- CVE-2022-27593QNAP Photo Station Externally Controlled Reference Vulnerability9.6 · Background exploitation
- CVE-2019-7195QNAP Photo Station Path Traversal Vulnerability9.6 · Background exploitation
- CVE-2019-7194QNAP Photo Station Path Traversal Vulnerability9.4 · Background exploitation
- CVE-2019-7193QNAP QTS Improper Input Validation Vulnerability7.4 · Background exploitation
- CVE-2019-7192QNAP Photo Station Improper Access Control Vulnerability9.6 · Background exploitation