CVE-2018-19943
published 2020-10-28CVE-2018-19943: If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed these issues in the…
PriorityP181medium5.4CVSS 3.1
AVNACLPRLUIRSCCLILAN
KEVITWRansomware
CISA Known Exploited Vulnerabilitydue 2022-06-14
Exploited in the wild
EPSS
17.71%
96.8th percentile
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
13 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| qnap | qts | < 4.2.6 | 4.2.6 |
| qnap | qts | — | — |
| qnap | qts | >= 4.3.1.0013 < 4.3.3.1252 | 4.3.3.1252 |
| qnap | qts | >= 4.3.4 < 4.3.4.1282 | 4.3.4.1282 |
| qnap | qts | >= 4.3.6 < 4.3.6.1263 | 4.3.6.1263 |
| qnap | qts | >= 4.4.0 < 4.4.1.1261 | 4.4.1.1261 |
| qnap | qts | >= 4.4.2 < 4.4.2.1270 | 4.4.2.1270 |
| qnap_systems_inc | qts | >= unspecified < 4.4.2.1270 | 4.4.2.1270 |
| qnap_systems_inc | qts | >= unspecified < 4.4.1.1261 | 4.4.1.1261 |
| qnap_systems_inc | qts | >= unspecified < 4.3.6.1263 | 4.3.6.1263 |
| qnap_systems_inc | qts | >= unspecified < 4.3.4.1282 | 4.3.4.1282 |
| qnap_systems_inc | qts | >= unspecified < 4.3.3.1252 | 4.3.3.1252 |
| qnap_systems_inc | qts | >= unspecified < 4.2.6 | 4.2.6 |
Detection & IOCsextracted from sources · hover to see the quote
- →Vulnerability affects QNAP NAS File Station component specifically — monitor for unexpected script injection attempts targeting File Station web interface ↗
- →Target platform is QNAP Network Attached Storage (NAS) devices running QTS versions prior to the fixed builds — identify exposed QNAP NAS management interfaces on the network ↗
- ·Fixed in QTS 4.4.2.1270 build 20200410 and later — devices running older builds remain vulnerable ↗
- ·Fixed in QTS 4.4.1.1261 build 20200330 and later ↗
- ·Fixed in QTS 4.3.6.1263 build 20200330 and later ↗
- ·Fixed in QTS 4.3.4.1282 build 20200408 and later ↗
- ·Fixed in QTS 4.3.3.1252 build 20200409 and later ↗
- ·Fixed in QTS 4.2.6 build 20200421 and later ↗
CVSS provenance
nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N
vulncheck8.0HIGH
cisa5.4MEDIUM
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GHSA
GHSA-wh89-fj9h-4gr8: If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code
ghsa_unreviewed·2022-05-24
CVE-2018-19943 [MEDIUM] CWE-79 GHSA-wh89-fj9h-4gr8: If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code
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
VulnCheck
QNAP NAS File Station Cross-Site Scripting Vulnerability
vulncheck·2018·CVSS 8.0
CVE-2018-19943 [HIGH] CWE-79 QNAP NAS File Station Cross-Site Scripting Vulnerability
QNAP NAS File Station Cross-Site Scripting Vulnerability
A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.
Affected: QNAP QNAP Network-Attached Storage (NAS)
Required Action: Apply updates per vendor instructions.
Known Ransomware Campaign Use: Known
Exploitation References: https://cybersecurityworks.com/howdymanage/uploads/file/ransomware-_-2022-spotlight-report_compressed.pdf; https://cybersecurityworks.com/howdymanage/uploads/file/RansomwareUpdate%20Report%202022%20Q1.pdf; https://www.cisa.gov/sites/default/files/feeds/known_exploited_vulnerabilities.json; https://go.recordedfuture.com/hubfs/reports/cta-2024-0208.pdf
Remediation Due: 2022-06-14
CISA
QNAP NAS File Station Cross-Site Scripting Vulnerability
cisa·2022-05-24·CVSS 5.4
CVE-2018-19943 [MEDIUM] CWE-79 QNAP NAS File Station Cross-Site Scripting Vulnerability
Vulnerability: QNAP NAS File Station Cross-Site Scripting Vulnerability
Affected: QNAP Network Attached Storage (NAS)
A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.
Required Action: Apply updates per vendor instructions.
Notes: https://nvd.nist.gov/vuln/detail/CVE-2018-19943
Remediation Due Date: 2022-06-14
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2020-10-28
Published
2022-05-24
Added to CISA KEV
Exploited in the wild