SOC status:Duty analyst on shift

UK Cyber Defence
VulnerabilityAnalyzed

CVE-2021-27860

FatPipe WARP, IPVPN, and MPVPN Configuration Upload exploit

KEVHIGH 8.8EPSS 39.8%

Does this matter?

Known to be exploited in the wild (CISA KEV, CISA remediation deadline 24 January 2022). Treat as an emergency change: patch or isolate now, then hunt for prior compromise.

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.

CVSS 3.1
8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
39.82% probability · 99th percentile
CISA KEV
Listed 10 January 2022 · due 24 January 2022
Weakness
CWE-434
Affected
fatpipeinc/ipvpn firmware · fatpipeinc/warp firmware · fatpipeinc/mpvpn firmware
Source
cret@cert.org

CISA notes

Apply updates per vendor instructions. https://nvd.nist.gov/vuln/detail/CVE-2021-27860

References

Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.