CVE-2018-19943
QNAP NAS File Station Cross-Site Scripting Vulnerability
This vulnerability is in the CISA Known Exploited Vulnerabilities catalog: attackers are using it. If you run Network Attached Storage (NAS), fix it now.
CISA required action: Apply updates per vendor instructions.
US federal civilian agencies must remediate by Jun 14, 2022.
Patch status
No official fix confirmed yet
Until a fix ships, follow the vendor's mitigations and CISA's required action, limit exposure of affected systems, and watch this record for a patch.
Description
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
Source: NIST National Vulnerability Database. Official vulnerability data, reproduced as published.
Affected products
| Product | Vendor | Affected versions | Fixed in | Source |
|---|---|---|---|---|
| Network Attached Storage (NAS) | QNAP | — | — | KEV |
| QTS | QNAP | < 4.2.6; >= 4.3.1.0013, < 4.3.3.1252; >= 4.3.4, < 4.3.4.1282; >= 4.3.6, < 4.3.6.1263; >= 4.4.0, < 4.4.1.1261; >= 4.4.2, < 4.4.2.1270 | 4.2.6; 4.3.3.1252; 4.3.4.1282; 4.3.6.1263; 4.4.1.1261; 4.4.2.1270 | NVD |
Sources: KEV = CISA Known Exploited Vulnerabilities catalog; NVD = NIST National Vulnerability Database.
Intelligence timeline
Developments from the last 30 days, newest first.
- CVSS scoredUpdateKEV
CVE-2018-19943 scored CVSS 5.4: QNAP Network Attached Storage (NAS), QNAP NAS File Station Cross-Site Scripting Vulnerability
CISA lists this as exploited in the wild and known to be used in ransomware campaigns. Unpatched Network Attached Storage (NAS) systems are exposed to active attacks now.
Basis: NIST National Vulnerability Database
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Coverage
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