CVE-2021-27856

Ipvpn Firmware vulnerability

CVSS

9.8

EPSS

5.6%

EPSS pct

92th

Exploited

No known

FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 includes an account named "cmuser" that has administrative privileges and no password. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA002.

Affected vendor

Fatpipeinc

Affected product

Ipvpn Firmware

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Published

2021-12-15

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to confidentiality, high impact to integrity, high impact to availability.

Its EPSS score of 5.6% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 92% of all scored CVEs.

Check your external exposure to CVE-2021-27856

Confirm whether Fatpipeinc Ipvpn Firmware is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2021-27856.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2021-27856

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