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I. Basic Information for CVE-2021-27856
Vulnerability Information

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Vulnerability Title
FatPipe software administrative account with no password
Source: NVD (National Vulnerability Database)
Vulnerability Description
FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 includes an account named "cmuser" that has administrative privileges and no password. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA002.
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
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
FatPipe 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
FatPipe是美国FatPipe公司的一种 WAN 冗余技术,它为公司提供自动和动态故障转移,因为广域网组件或服务故障导致数据线连接中断。 FatPipe WARP, IPVPN和MPVPN 10.1.2r60p91 和 10.2.2r42之前版本存在安全漏洞,该漏洞源于系统内包括一个名为cmuser的帐户,该帐户具有管理权限且没有密码。
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
VendorProductAffected VersionsCPESubscribe
FatPipeWARP 10.1 ~ 10.1.2r60p91 -
FatPipeIPVPN 10.1 ~ 10.1.2r60p91 -
FatPipeMPVPN 10.1 ~ 10.1.2r60p91 -
II. Public POCs for CVE-2021-27856
#POC DescriptionSource LinkShenlong Link
1FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 contain an account named "cmuser" with administrative privileges and no password, letting attackers gain unauthorized admin access, exploit requires no authentication. https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27856.yamlPOC Details
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III. Intelligence Information for CVE-2021-27856
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IV. Related Vulnerabilities
V. Comments for CVE-2021-27856

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