CVE-2021-34812
Quick assessment
Affected
Synology Synology Calendar
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.
Synology Calendar是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.4.0-0761之前版本存在信任管理问题漏洞，该漏洞源于php组件的使用硬编码凭据。远程攻击者可利用该漏洞通过未指定的向量获取敏感信息。
Possible ATT&CK Techniques 1 AI
T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-34812
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Use of hard-coded credentials vulnerability in php component in Synology Calendar before 2.4.0-0761 allows remote attackers to obtain sensitive information via unspecified vectors.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用硬编码的凭证
Source: CVE Program / CVE List V5
Vulnerability Title
Synology Calendar 信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Synology Calendar是中国台湾群晖科技（Synology）公司的一款运行在Synology NAS（网络存储服务器）设备上的文件保护程序。 Synology Calendar 2.4.0-0761之前版本存在信任管理问题漏洞，该漏洞源于php组件的使用硬编码凭据。远程攻击者可利用该漏洞通过未指定的向量获取敏感信息。
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 |
|---|---|---|---|---|
| Synology | Synology Calendar | unspecified ~ 2.4.0-0761 | - |
|
II. Public POCs for CVE-2021-34812
| # | POC Description | Source Link | Shenlong Link |
|---|
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Other References for CVE-2021-34812 (1)
-
https://www.synology.com/security/advisory/Synology_SA_21_12 x_refsource_CONFIRM
Same Patch Batch · Synology · 2021-06-18 · 5 CVEs total
| CVE-2021-34810 | 9.9 CRITICAL | Synology Download Station 安全漏洞 |
| CVE-2021-34809 | 9.9 CRITICAL | Synology Download Station 命令注入漏洞 |
| CVE-2021-34808 | 5.8 MEDIUM | Synology Media Server 代码问题漏洞 |
| CVE-2021-34811 | 5.0 MEDIUM | Synology Download Station 代码问题漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-34812
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