CVE-2021-27859 Missing authorization vulnerability in FatPipe software

High 8.8 Published 15 Dec 2021 Updated 16 Sep 2024

An authenticated remote attacker with read-only privileges can create an administrative account due to missing authorization checks in the web interface.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2021-27859?

CVE-2021-27859 is a high-severity missing authorization vulnerability in FatPipe IPVPN, published on 15 Dec 2021. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

A missing authorization vulnerability in the web management interface of FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows an authenticated, remote attacker with read-only privileges to create an account with administrative privileges. Older versions of FatPipe software may also be vulnerable. This does not appear to be a CSRF vulnerability. The FatPipe advisory identifier for this vulnerability is FPSA005.

Weakness: CWE-862

Which versions are affected by CVE-2021-27859?

It affects 3 products.

Products include Fatpipeinc Ipvpn Firmware, Fatpipeinc Mpvpn Firmware, Fatpipeinc Warp Firmware.

How do I fix CVE-2021-27859?

No fix has been published for CVE-2021-27859 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2021-27859 being exploited?

There is no known exploitation of CVE-2021-27859 in the wild and no public exploit code.

Sources

Also known as GHSA-fr6w-vm34-xj98.