CVE-2021-27860

FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

n/a

CVSS

39.8%

EPSS (exploit prob.)

98.5%

EPSS percentile

Yes

Actively exploited

Ransomware use

2022-01-10

Added

MITRE ATT&CK techniques

How this vulnerability maps to adversary behaviour, from the Center for Threat-Informed Defense's public CVE→ATT&CK mappings. Use it to check whether your detections already cover the technique.

Technique	Name	Relationship
T1190	Exploit Public-Facing Application	exploitation technique
T1505.003	Web Shell	primary impact

Summary

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.

Affected software

Vendor: FatPipe · Product: WARP, IPVPN, and MPVPN software

Weakness types (CWE):

What to do

This vulnerability appears in CISA's Known Exploited Vulnerabilities catalog, meaning it is being exploited in the wild. Prioritize patching affected systems and verify exposure across your estate.

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All information is aggregated from public sources for awareness only and does not constitute an accusation or a security assessment. No personal data or credentials are published.