SARA / Free Tools / KEV / CVE-2018-19943

CVE-2018-19943 on CISA KEV

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 202

CISA KEV — Actively Exploited

QNAP NAS File Station Cross-Site Scripting Vulnerability

Vendor / Product
— / QNAP / Network Attached Storage (NAS)
Added to KEV
2022-05-24
BOD 22-01 due
2022-06-14
Ransomware use
Known
CVSS / EPSS
8.0 HIGH · EPSS 5.50%

01What CISA says about this 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 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…

02Required action — verbatim from CISA

Apply updates per vendor instructions.

03Notes & references

04SARA's analyst layer — why this matters

This vulnerability is currently on the CISA KEV list, which CISA only adds CVEs to when there is reliable evidence of active exploitation in the wild. For federal civilian agencies, BOD 22-01 requires remediation by the due date above. For everyone else, KEV is the strongest "patch immediately" signal you can get from public threat intel.

05Affected products (summary)

VendorProductVersions
QNAP Systems Inc.QTSunspecified
QNAP Systems Inc.QTSunspecified, unspecified
QNAP Systems Inc.QTSunspecified
QNAP Systems Inc.QTSunspecified
QNAP Systems Inc.QTSunspecified

06Detection

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection:

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