CVE-2021-32518— QSAN Storage Manager - UNIX Symbolic Link (Symlink) Following
Quick assessment
Affected
QSAN Storage Manager
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
QSAN Storage Manager是广盛科技股份有限公司（QSAN）的一个NAS操作系统。 QSAN Storage Manager 存在安全漏洞，该漏洞允许远程攻击者创建符号链接，然后访问任意文件。
Possible ATT&CK Techniques 1 AI
T1135 · Network Share Discovery
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I. Basic Information for CVE-2021-32518
Vulnerability Information
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Vulnerability Title
QSAN Storage Manager - UNIX Symbolic Link (Symlink) Following
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability in share_link in QSAN Storage Manager allows remote attackers to create a symbolic link then access arbitrary files. The referred vulnerability has been solved with the updated version of QSAN Storage Manager v3.3.3.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
CWE-61
Source: CVE Program / CVE List V5
Vulnerability Title
QSAN Storage Manager 后置链接漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
QSAN Storage Manager是广盛科技股份有限公司（QSAN）的一个NAS操作系统。 QSAN Storage Manager 存在安全漏洞，该漏洞允许远程攻击者创建符号链接，然后访问任意文件。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| QSAN | Storage Manager | unspecified ~ 3.3.1 | - |
|
II. Public POCs for CVE-2021-32518
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-32518 (1)
-
https://www.twcert.org.tw/tw/cp-132-4874-79edc-1.html x_refsource_MISC
Same Patch Batch · QSAN · 2021-07-07 · 30 CVEs total
| CVE-2021-32535 | 9.8 CRITICAL | QSAN SANOS - Use of Hard-coded Credentials |
| CVE-2021-32534 | 9.8 CRITICAL | QSAN SANOS - Command Injection |
| CVE-2021-32533 | 9.8 CRITICAL | QSAN SANOS - Command Injection |
| CVE-2021-32531 | 9.8 CRITICAL | QSAN XEVO - Command Injection Following via Init function |
| CVE-2021-32512 | 9.8 CRITICAL | QSAN Storage Manager - Command Injection Following via QuickInstall function |
| CVE-2021-32513 | 9.8 CRITICAL | QSAN Storage Manager - Command Injection Following via QsanTorture function |
| CVE-2021-32530 | 9.8 CRITICAL | QSAN XEVO - Command Injection Following via Array function |
| CVE-2021-32522 | 9.8 CRITICAL | QSAN Storage Manager, XEVO, SANOS - Improper Restriction of Excessive Authentication Attem |
| CVE-2021-32519 | 9.8 CRITICAL | QSAN Storage Manager, XEVO, SANOS - Use of Password Hash With Insufficient Computational E |
| CVE-2021-32520 | 9.8 CRITICAL | QSAN Storage Manager - Use of Hard-coded Cryptographic Key |
| CVE-2021-32529 | 9.8 CRITICAL | QSAN XEVO, SANOS - Command Injection -1 |
| CVE-2021-32525 | 9.1 CRITICAL | QSAN Storage Manager - Use of Hard-coded Password-2 |
| CVE-2021-32524 | 9.1 CRITICAL | QSAN Storage Manager - Command Injection-3 |
| CVE-2021-32523 | 9.1 CRITICAL | QSAN Storage Manager - Improper Authorization |
| CVE-2021-32527 | 7.5 HIGH | QSAN Storage Manager - Path Traversal-2 |
| CVE-2021-32517 | 7.5 HIGH | QSAN Storage Manager - Improper Access Control |
| CVE-2021-32516 | 7.5 HIGH | QSAN Storage Manager - Path Traversal |
| CVE-2021-32514 | 7.5 HIGH | QSAN Storage Manager - Improper Access Control Following via FirwareUpgrade function |
| CVE-2021-32532 | 7.5 HIGH | QSAN XEVO - Path Traversal |
| CVE-2021-32521 | 7.3 HIGH | QSAN Storage Manager, XEVO, SANOS - Use of Hard-coded Password |
Showing top 20 of 30 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same product: Storage Manager
Same weakness: CWE-61
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V. Comments for CVE-2021-32518
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