Skip to content
Fencer Intel
critical 9.1

CVE-2021-41294 json

ECOA BAS controller - Path Traversal-4

published 5y ago modified 4mo ago also EUVD-2021-28324

cvss
9.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.2%
EPSS 1.2% chance of exploitation in 30 days, percentile 68%
public exploits
0
none known

Summary

ECOA BAS controller suffers from a path traversal vulnerability, causing arbitrary files deletion. Using the specific GET parameter, unauthenticated attackers can remotely delete arbitrary files on the affected device and cause denial of service scenario.

Is CVE-2021-41294 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

Check with Fencer

Exploit prediction

1.19% chance of exploitation in the next 30 days, higher than 68% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
CNA 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 3.1 9.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
NVD 2.0 6.4 AV:N/AC:L/Au:N/C:N/I:P/A:P

Affected products

  • ECOA ECS Router Controller ECS (FLASH)
  • ECOA RiskBuster Terminator E6L45
  • ECOA RiskBuster System RB 3.0.0
  • ECOA RiskBuster System TRANE 1.0
  • ECOA Graphic Control Software
  • ECOA SmartHome II E9246
  • ECOA RiskTerminator

Classification

Weakness
  • CWE-22 Improper Limitation of a Pathname to a Restricted Directory

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.