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CVE-2021-26620— IPTIME NAS2dual improper authentication vulnerability

Quick assessment

Affected
EFM Networks Co., Ltd ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual)
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.

EFM ipTIME C200 IP Camera是韩国EFM公司的一个硬件设备。提供了一个用于监控的摄像头设备。 EFM ipTIME C200 IP Camera 存在安全漏洞，该漏洞源于共享文件夹身份验证存在问题。远程攻击者可以利用访问共享文件夹时的身份验证不足和更改用户密码利用该漏洞来窃取服务器中的重要信息。

CVSS 7.5 · High EPSS 1.35% · P71
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I. Basic Information for CVE-2021-26620

Vulnerability Information
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Vulnerability Title
IPTIME NAS2dual improper authentication vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
An improper authentication vulnerability leading to information leakage was discovered in iptime NAS2dual. Remote attackers are able to steal important information in the server by exploiting vulnerabilities such as insufficient authentication when accessing the shared folder and changing user’s passwords.
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
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
EFM ipTIME C200 IP Camera 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
EFM ipTIME C200 IP Camera是韩国EFM公司的一个硬件设备。提供了一个用于监控的摄像头设备。 EFM ipTIME C200 IP Camera 存在安全漏洞，该漏洞源于共享文件夹身份验证存在问题。远程攻击者可以利用访问共享文件夹时的身份验证不足和更改用户密码利用该漏洞来窃取服务器中的重要信息。
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
EFM Networks Co., Ltd ipTIME NAS product (NAS1, 2, 3, 4, 1dual, 2dual 4dual) unspecified ~ 1.4.82 -

II. Public POCs for CVE-2021-26620

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III. Intelligence Information for CVE-2021-26620

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IV. Related Vulnerabilities

Same vendor: EFM Networks Co., Ltd
Same weakness: CWE-287

V. Comments for CVE-2021-26620

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