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CVE-2021-27855— FatPipe software allows privilege escalation

Quick assessment

Affected
FatPipe WARP
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.

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，攻击者可利用该漏洞获取管理权限。

CVSS 8.8 · High EPSS 1.60% · P75

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation
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I. Basic Information for CVE-2021-27855

Vulnerability Information
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Vulnerability Title
FatPipe software allows privilege escalation
Source: CVE Program / CVE List V5
Vulnerability Description
FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, authenticated attacker with read-only privileges to grant themselves administrative privileges. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA001.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5
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，攻击者可利用该漏洞获取管理权限。
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
FatPipe WARP 10.1 ~ 10.1.2r60p91 -
FatPipe IPVPN 10.1 ~ 10.1.2r60p91 -
FatPipe MPVPN 10.1 ~ 10.1.2r60p91 -

II. Public POCs for CVE-2021-27855

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III. Intelligence Information for CVE-2021-27855

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Other References for CVE-2021-27855 (3)

Same Patch Batch · FatPipe · 2021-12-15 · 5 CVEs total

CVE-2021-27856 9.8 CRITICAL FatPipe software administrative account with no password
CVE-2021-27859 8.8 HIGH Missing authorization vulnerability in FatPipe software
CVE-2021-27857 7.5 HIGH FatPipe software allows unauthenticated configuration download
CVE-2021-27858 5.3 MEDIUM Missing authorization vulnerability in FatPipe software

IV. Related Vulnerabilities

Same product: WARP
Same vendor: FatPipe
Same weakness: CWE-862

V. Comments for CVE-2021-27855

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