CVE-2021-35963— Learningdigital.com, Inc. Orca HCM - Unrestricted Upload of File with Dangerous Type
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I. Basic Information for CVE-2021-35963
Vulnerability Information
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Vulnerability Title
Learningdigital.com, Inc. Orca HCM - Unrestricted Upload of File with Dangerous Type
Source: NVD (National Vulnerability Database)
Vulnerability Description
The specific parameter of upload function of the Orca HCM digital learning platform does not filter file format, which allows remote unauthenticated attackers to upload files containing malicious script to execute RCE attacks.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: NVD (National Vulnerability Database)
Vulnerability Type
危险类型文件的不加限制上传
Source: NVD (National Vulnerability Database)
Vulnerability Title
LearningDigital Orca HCM digital learning platform 代码问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
LearningDigital Orca HCM digital learning platform是中国一宇数位（LearningDigital）公司的一个数字学习平台。 Orca HCM digital learning platform存在代码问题漏洞，该漏洞源于平台上传功能的具体参数不过滤文件格式，允许远程未经认证的攻击者可利用该漏洞上传包含恶意脚本的文件，执行RCE攻击。
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 |
|---|---|---|---|---|
| Learningdigital.com, Inc. | Orca HCM | unspecified ~ 10.0 | - |
II. Public POCs for CVE-2021-35963
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POCPremium
No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2021-35963
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- https://www.twcert.org.tw/tw/cp-132-4923-d68e6-1.htmlx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-35963
Same Patch Batch · Learningdigital.com, Inc. · 2021-07-19 · 6 CVEs total
| CVE-2021-35965 | 9.8 CRITICAL | Learningdigital.com, Inc. Orca HCM - Hard-code password |
| CVE-2021-35964 | 7.3 HIGH | Learningdigital.com, Inc. Orca HCM - Broken Authentication |
| CVE-2021-35966 | 6.1 MEDIUM | Learningdigital.com, Inc. Orca HCM - URL Redirection to Untrusted Site ('Open Redirect') |
| CVE-2021-35967 | 5.3 MEDIUM | Learningdigital.com, Inc. Orca HCM - Path Traversal-1 |
| CVE-2021-35968 | 4.3 MEDIUM | Learningdigital.com, Inc. Orca HCM - Path Traversal-2 |
IV. Related Vulnerabilities
Same product: Orca HCM
- CVE-2025-1389
Learning Digital Orca HCM - SQL Injection - CVE-2025-1388
Learning Digital Orca HCM - Arbitrary File Upload - CVE-2025-1387
Learning Digital Orca HCM - Improper Authentication - CVE-2024-8585
LEARNING DIGITAL Orca HCM - Arbitrary File Download - CVE-2024-8584
LEARNING DIGITAL Orca HCM - Missing Authentication
Same vendor: Learningdigital.com, Inc.
- CVE-2021-35968
Learningdigital.com, Inc. Orca HCM - Path Traversal-2 - CVE-2021-35967
Learningdigital.com, Inc. Orca HCM - Path Traversal-1 - CVE-2021-35966
Learningdigital.com, Inc. Orca HCM - URL Redirection to Untr - CVE-2021-35965
Learningdigital.com, Inc. Orca HCM - Hard-code password - CVE-2021-35964
Learningdigital.com, Inc. Orca HCM - Broken Authentication
Same weakness: CWE-434
- CVE-2021-47943
TextPattern CMS 4.8.7 Remote Code Execution via File Upload - CVE-2021-47937
e107 CMS 2.3.0 Authenticated Remote Code Execution via Theme - CVE-2026-41517
Emlog: Remote Code Execution via Malicious Plugin Upload - CVE-2026-6692
Slider Revolution 7.0.0 - 7.0.10 - Authenticated (Subscriber - CVE-2026-41587
CI4MS: Unrestricted PHP File Upload via Theme Installation L
V. Comments for CVE-2021-35963
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