CVE-2021-27856

FatPipe software administrative account with no password

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

FatPipe · WARP · IPVPN · MPVPN

CVSS v3.1 NVD

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

CVSS v2.0 NVD

7.5 HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P

EPSS

5.47% chance of exploitation in the next 30 days, 93rd percentile

Nuclei

critical

Published

2021-12-15

Updated

2024-09-17

Nuclei templates (1)

• projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-27856.yaml

Security advisories

• https://www.fatpipeinc.com/support/cve-list.php
• https://www.zeroscience.mk/codes/fatpipe_backdoor.txt
• https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5684.php

References

• CVE Record
• NVD entry