CVE-2021-27860 — FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

Overview

A vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software allows a remote, unauthenticated attacker to upload a file to any location on the filesystem.

Vulnerability details

CVE ID

CVE-2021-27860

Vulnerability

FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

Vendor

FatPipe

Affected products

FatPipe: WARP, IPVPN, and MPVPN software

Severity

HIGH

Exploitation status

Actively exploited in the wild (CISA KEV)

Published

2022-01-10

Remediation guidance

CVE-2021-27860 is in CISA's Known Exploited Vulnerabilities (KEV) catalog — U.S. federal civilian agencies are required to remediate it under Binding Operational Directive 22-01. Treat it as a priority for every environment.

Apply the vendor's official security update for FatPipe the affected product as soon as possible. Where a patch is unavailable, apply vendor mitigations or isolate/segment exposed systems.

Hunt for indicators of compromise tied to this vulnerability and confirm logging/EDR coverage on affected assets.

Authoritative references

• NVD — National Vulnerability Database
• MITRE CVE Record
• CISA Known Exploited Vulnerabilities Catalog
• FIRST EPSS — Exploit Prediction Scoring