What’s Vulnerable › Vulnerabilities

CVE-2021-27855: FatPipe software allows privilege escalation

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-12-15 · updated 2026-06-17
• Weakness: CWE-862

Description

FatPipe WARP, IPVPN, and MPVPN software prior to versions 10.1.2r60p91 and 10.2.2r42 allows a remote, authenticated attacker with read-only privileges to grant themselves administrative privileges. Older versions of FatPipe software may also be vulnerable. The FatPipe advisory identifier for this vulnerability is FPSA001.

Affected products

• Fatpipeinc Ipvpn Firmware: 5.2.0-r34, 6.1.2-r70p26, 6.1.2-r70p45-m, 6.1.2-r70p75-m, 7.1.2-r39, 9.1.2-r129 (+30)
• Fatpipeinc Mpvpn Firmware: 5.2.0-r34, 6.1.2-r70p26, 6.1.2-r70p45-m, 6.1.2-r70p75-m, 7.1.2-r39, 9.1.2-r129 (+30)
• Fatpipeinc Warp Firmware: 5.2.0-r34, 6.1.2-r70p26, 6.1.2-r70p45-m, 6.1.2-r70p75-m, 7.1.2-r39, 9.1.2-r129 (+30)

References

• https://www.fatpipeinc.com/support/cve-list.php
• https://www.zeroscience.mk/codes/fatpipe_privesc.txt
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5685.php
• https://www.fatpipeinc.com/support/cve-list.php
• https://www.zeroscience.mk/codes/fatpipe_privesc.txt
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5685.php

Get alerted when CVE-2021-27855 or the next vulnerability affects your stack