Actively exploited in the wild
FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit
FatPipe - WARP, IPVPN, and MPVPN software · Listed in the CISA KEV since 2022-01-10. This indicates confirmed attacks in production environments.
Required action: Apply updates per vendor instructions.
CVE-2021-27860
CriticalCVSS 9.8KEVSummary
A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnerability is FPSA006.
Risk Assessment
An attacker can upload malicious files, such as webshells, leading to remote code execution and full device compromise. The vulnerability requires no authentication, making it easy to exploit.
Recommendation
Upgrade FatPipe WARP, IPVPN, and MPVPN software to version 10.1.2r60p92 or 10.2.2r44p1 (or later). If upgrade is not possible, restrict access to the management interface to trusted networks.
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Original NVD description (English source)
A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p92 and 10.2.2r44p1 allows a remote, unauthenticated attacker to upload a file to any location on the filesystem. The FatPipe advisory identifier for this vulnerability is FPSA006.