CVE-2021-27860criticalunder attackCWE-434

CVE-2021-27860: critical vulnerability in FatPipe WARP

Arbitrary file upload vulnerability in FatPipe software

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70Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 9.8epss 40%
from disclosure to weapon
Published on NVDDec 8
CISA KEV+33d
Action required by CISAfederal deadline: 2022-01-24

Apply updates per vendor instructions.

In short

An unauthenticated attacker can upload files anywhere on the FatPipe server without permission, potentially installing malicious software or taking control of the system.

Technical detail

CWE-434 arbitrary file upload in the web management interface allows unauthenticated remote attackers to write files to arbitrary filesystem locations; no authentication is required, and successful exploitation enables arbitrary code execution and full system compromise.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

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.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
FatPipe · IPVPNFatPipe · MPVPNFatPipe · WARP
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