CVE-2021-27858 Missing authorization vulnerability in FatPipe software

Medium 5.3 Published 15 Dec 2021 Updated 17 Sep 2024

Remote attackers can access the web management interface without authorization, potentially violating confidentiality in FatPipe network software.

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

What is CVE-2021-27858?

CVE-2021-27858 is a medium-severity missing authorization vulnerability in FatPipe IPVPN, published on 15 Dec 2021. An attacker can exploit it over the internet without logging in, 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 a remote attacker to access at least the URL "/fpui/jsp/index.jsp" leading to unknown impact, presumably some violation of confidentiality. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA004.

Weakness: CWE-862

Which versions are affected by CVE-2021-27858?

It affects 3 products.

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

How do I fix CVE-2021-27858?

No fix has been published for CVE-2021-27858 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-2021-27858 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-27858 exists.

Public exploit code: 1 Nuclei template.

Sources

Also known as GHSA-wv8m-chcw-6w78.