CVE-2021-34359
Stored XSS Vulnerability in Proxy Server
Severity Score
5.4
*CVSS v3.1
Exploit Likelihood
*EPSS
Affected Versions
*CPE
Public Exploits
0
*Multiple Sources
Exploited in Wild
-
*KEV
Decision
-
*SSVC
Descriptions
A cross-site scripting (XSS) vulnerability has been reported to affect QNAP device running Proxy Server. If exploited, this vulnerability allows remote attackers to inject malicious code. We have already fixed this vulnerability in the following versions of Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) and later
Se ha informado de una vulnerabilidad de tipo cross-site scripting (XSS) que afecta al dispositivo QNAP que ejecuta Proxy Server. Si es explotado, esta vulnerabilidad permite a atacantes remotos inyectar código malicioso. Ya hemos corregido esta vulnerabilidad en las siguientes versiones de Proxy Server: QTS 4.5.x: Proxy Server 1.4.2 ( 2021/12/30 ) y posteriores.
*Credits:
Tony Martin, a security researcher
CVSS Scores
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Attack Vector
Attack Complexity
Authentication
Confidentiality
Integrity
Availability
* Common Vulnerability Scoring System
SSVC
- Decision:-
Exploitation
Automatable
Tech. Impact
* Organization's Worst-case Scenario
Timeline
- 2021-06-08 CVE Reserved
- 2022-02-25 CVE Published
- 2023-09-18 EPSS Updated
- 2024-09-17 CVE Updated
- ---------- Exploited in Wild
- ---------- KEV Due Date
- ---------- First Exploit
CWE
- CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
References (1)
URL | Tag | Source |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|
URL | Date | SRC |
---|---|---|
https://www.qnap.com/en/security-advisory/qsa-22-04 | 2022-03-08 |
Affected Vendors, Products, and Versions
Vendor | Product | Version | Other | Status | ||||||
---|---|---|---|---|---|---|---|---|---|---|
Vendor | Product | Version | Other | Status | <-- --> | Vendor | Product | Version | Other | Status |
Qnap Search vendor "Qnap" | Nas Proxy Server Search vendor "Qnap" for product "Nas Proxy Server" | < 1.4.2 Search vendor "Qnap" for product "Nas Proxy Server" and version " < 1.4.2" | - |
Affected
| in | Qnap Search vendor "Qnap" | Qts Search vendor "Qnap" for product "Qts" | >= 4.5.1 <= 4.5.4 Search vendor "Qnap" for product "Qts" and version " >= 4.5.1 <= 4.5.4" | - |
Safe
|