Vulnerability Details : CVE-2018-19953
Used for ransomware!
If exploited, this cross-site scripting vulnerability could allow remote attackers to inject malicious code. QNAP has already fixed the issue in the following QTS versions. QTS 4.4.2.1231 on build 20200302; QTS 4.4.1.1201 on build 20200130; QTS 4.3.6.1218 on build 20200214; QTS 4.3.4.1190 on build 20200107; QTS 4.3.3.1161 on build 20200109; QTS 4.2.6 on build 20200109.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2018-19953
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:*:*:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:-:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:build_20170517:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:build_20190322:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:build_20190730:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:build_20190921:*:*:*:*:*:*
- cpe:2.3:o:qnap:qts:4.2.6:build_20191107:*:*:*:*:*:*
CVE-2018-19953 is in the CISA Known Exploited Vulnerabilities Catalog
This issue is known to have been leveraged as part of a ransomware campaign.
CISA vulnerability name:
QNAP NAS File Station Cross-Site Scripting Vulnerability
CISA required action:
Apply updates per vendor instructions.
CISA description:
A cross-site scripting vulnerability affecting QNAP NAS File Station could allow remote attackers to inject malicious code.
Notes:
https://nvd.nist.gov/vuln/detail/CVE-2018-19953
Added on
2022-05-24
Action due date
2022-06-14
Exploit prediction scoring system (EPSS) score for CVE-2018-19953
0.38%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 70 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2018-19953
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:P/A:N |
8.6
|
2.9
|
NIST | |
|
6.1
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
2.8
|
2.7
|
NIST |
CWE ids for CVE-2018-19953
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@qnapsecurity.com.tw (Secondary)
-
The product receives input from an upstream component, but it does not neutralize or incorrectly neutralizes special characters such as "<", ">", and "&" that could be interpreted as web-scripting elements when they are sent to a downstream component that processes web pages.Assigned by: security@qnapsecurity.com.tw (Secondary)
References for CVE-2018-19953
-
https://www.qnap.com/zh-tw/security-advisory/qsa-20-01
Multiple Vulnerabilities in File Station - Security Advisory | QNAPVendor Advisory
Jump to