Vulnerability · Published Sep 30, 2021 · Assigned by twcert

CVE-2021-41290ECOA BAS controller - Path Traversal-1

Critical 9.8

In plain English

A critical-severity unrestricted file upload in ECS Router Controller ECS (FLASH) from ECOA. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.3% (higher than 84% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)2.3%top 16.5% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

ECOA BAS controller suffers from an arbitrary file write and path traversal vulnerability. Using the POST parameters, unauthenticated attackers can remotely set arbitrary values for location and content type and gain the possibility to execute arbitrary code on the affected device.

Affected products (as reported)

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

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References