CVE-2021-41290
ECOA BAS controller - Path Traversal-1
- Published
- Updated
- Reserved
- Assigned by
- twcert
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.
Timeline
ID reserved
By twcert
- 15 days later
· 15 days later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| twcertCNA (assigner) | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 2.3% · top 16% of all CVEs (7 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
ECOA · ECS Router Controller ECS (FLASH)
- unknown next of 0 – < unspecified
ECOA · RiskBuster Terminator E6L45
- unknown next of 0 – < unspecified
ECOA · RiskBuster System RB 3.0.0
- unknown next of 0 – < unspecified
ECOA · RiskBuster System TRANE 1.0
- unknown next of 0 – < unspecified
ECOA · Graphic Control Software
- unknown next of 0 – < unspecified
- unknown next of 0 – < unspecified
- unknown next of 0 – < unspecified
What to do
Solution: Contact tech support from ECOA.
References (1)
- https://www.twcert.org.tw/tw/cp-132-5126-ca315-1.html (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2021-41290)Record last updated .