Patchfirst
CVE-2021-27856 Public exploit Critical · 9.8 EPSS 5.5%

FatPipe software administrative account with no password

FatPipe · WARP

Summary

FatPipe WARP, IPVPN, and MPVPN software contains a built-in administrative account named "cmuser" that has no password. The flaw affects WARP, IPVPN, and MPVPN versions before 10.1.2r60p91 and 10.2.2r42, and older releases may also be affected. An attacker with network access to the device can log in as this account without authentication or user interaction, gaining full administrative control.

Official description · CVE.org

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.

Breakdown
65.4 / 100
Exploited
Yes, in VulnCheck KEV
Reports
0
Tactics
0/15

First seen exploited 17 months after disclosure.

  1. Disclosedday 0
  2. First seen exploitedVulnCheck KEV evidence+17 mo

techniques

No techniques linked

No ATT&CK techniques are linked to this CVE yet. MITRE CTID has not mapped it, and no report passage in the corpus ties it to a technique.

What security researchers reported

Not named in any threat report yet

References

3 links, grouped by NVD tag
↑ ↓ chooseEnter openEsc close