CVE-2021-41301ECOA BAS controller - Exposure of Sensitive Information to an Unauthorized Actor
- 9.8CriticalCVSS base score
- 2.0%Exploitation in 30 daysEPSS · top 19% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
ECOA BAS controller is vulnerable to configuration disclosure when direct object reference is made to the specific files using an HTTP GET request. This will enable the unauthenticated attacker to remotely disclose sensitive information and help her in authentication bypass, privilege escalation and full system access.
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)
- 2.0% · top 19% of all CVEs (12 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
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
References1
- https://www.twcert.org.tw/tw/cp-132-5137-730a6-1.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)
- EUVD EUVD-2021-28331 (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://cveledger.app/cve/CVE-2021-41301)Record last updated .