FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

HIGH 8.8EXPLOITED (CISA KEV)CVE-2021-27860 · Published 08/12/2021 · updated 17/06/2026

FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/01/2022. Patch affected systems as an emergency.

In short

CVE-2021-27860 is a HIGH (CVSS 8.8) vulnerability.
Exploited in the wild: CISA added it to the KEV catalog on 10/01/2022.
Chance of exploitation in the next 30 days (EPSS): 39.7%, higher than 98.6% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
WARP, IPVPN, and MPVPN software FatPipe	Versions not published yet (product named by CISA KEV)

Description

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.

References

fatpipeinc.com/support/cve-list.php · Vendor Advisory
ic3.gov/Media/News/2021/211117-2.pdf · Exploit
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2021-27860

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