CVE-2021-42082— Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355
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I. Basic Information for CVE-2021-42082
Vulnerability Information
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Vulnerability Title
Local Privilege Escalation to root in OSNEXUS QuantaStor before 6.0.0.355
Source: NVD (National Vulnerability Database)
Vulnerability Description
Local users are able to execute scripts under root privileges. POC On the local host run the following command: curl 'localhost:8154/qstor/qs_upgrade.py?taskId=1&a=;`whoami`'
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
特权管理不恰当
Source: NVD (National Vulnerability Database)
Vulnerability Title
OSNEXUS QuantaStor 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
OSNEXUS QuantaStor是美国OSNEXUS公司的一个统一的软件定义存储平台。 OSNEXUS QuantaStor 5.12.9之前版本存在安全漏洞，该漏洞源于本地用户可以在root权限下执行脚本。
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 |
|---|---|---|---|---|
| OSNEXUS | QuantaStor | 0 ~ 6.0.0.355 | - |
II. Public POCs for CVE-2021-42082
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
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- https://csirt.divd.nl/CVE-2021-42082third-party-advisory
- https://csirt.divd.nl/DIVD-2021-00020/third-party-advisory
- https://www.wbsec.nl/osnexusthird-party-advisory
- https://www.divd.nl/DIVD-2021-00020third-party-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-42082
Same Patch Batch · OSNEXUS · 2023-07-10 · 6 CVEs total
| CVE-2021-4406 | 9.1 CRITICAL | Authenticated Remote COmmand Execution as root in OSNEXUS QuantaStor version 6.0.0.355 and |
| CVE-2021-42081 | 9.1 CRITICAL | Authenticated Remote Command Execution vulnerability in OSNEXUS QuantaStor before 6.0.0.35 |
| CVE-2021-42083 | 8.7 HIGH | Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335 |
| CVE-2021-42080 | 7.4 HIGH | Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0.0.355 |
| CVE-2021-42079 | 6.2 MEDIUM | SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355 |
IV. Related Vulnerabilities
Same product: QuantaStor
- CVE-2021-4406
Authenticated Remote COmmand Execution as root in OSNEXUS Qu - CVE-2021-42081
Authenticated Remote Command Execution vulnerability in OSNE - CVE-2021-42083
Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335 - CVE-2021-42080
Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0 - CVE-2021-42079
SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355
Same vendor: OSNEXUS
- CVE-2021-4406
Authenticated Remote COmmand Execution as root in OSNEXUS Qu - CVE-2021-42081
Authenticated Remote Command Execution vulnerability in OSNE - CVE-2021-42083
Authenticated Stored XSS in OSNEXUS QuantaStor 6.0.0.335 - CVE-2021-42080
Reflected XSS vulnerability in OSNEXUS QuantaStor before 6.0 - CVE-2021-42079
SSRF vulnerability in OSNEXUS QuantaStor before 6.0.0.355
Same weakness: CWE-269
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bubblewrap vulnerable to privilege escalation in setuid mode - CVE-2026-44987
SysReptor: Privilege Escalation from User Admin to Superuser - CVE-2026-42185
People: Privilege Escalation via Missing Role Ceiling in Mai - CVE-2026-40001
Local privilege escalation vulnerability in ZTE PROCESS Guar
V. Comments for CVE-2021-42082
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