Security readout for executives and security teams
Plain-English summary
This issue can let an unauthenticated remote attacker read sensitive configuration information from ECOA building automation controllers. The disclosed data may help bypass authentication, escalate privileges, and gain full system access. Treat exposed controller interfaces as urgent until vendor status and compensating controls are confirmed.
Executive priority
Prioritize as critical for any operational technology or building automation environment. The business risk is highest where ECOA controllers are remotely accessible, because exposed configuration data may enable broader compromise. Immediate action should focus on discovery, isolation, credential review, and vendor guidance.
Technical view
CVE-2021-41301 is a CWE-200 information exposure flaw in ECOA BAS controller products. The CVE describes configuration disclosure through direct object reference to specific files over unauthenticated HTTP GET requests. CVSS 3.1 is 9.8, network exploitable, low complexity, no privileges, no user interaction, with high confidentiality, integrity, and availability impact.
Likely exposure
Likely exposure is organizations running the listed ECOA ECS, RiskBuster, RiskTerminator, Graphic Control Software, or SmartHome II products, especially where controller web services are reachable from untrusted networks. The source bundle does not provide precise vulnerable version ranges or CPEs beyond broad product entries.
Exploitation context
The source bundle does not show CISA KEV listing or active exploitation evidence. The described issue is remotely reachable and unauthenticated if the controller interface is accessible, but no exploit status, public exploit details, or observed attack reports are provided in the supplied sources.
Researcher notes
Affected product and version metadata is incomplete, with broad product names and no CPEs. Validate exposure carefully without retrieving or distributing sensitive files. Useful research should focus on asset identification, network reachability, authentication boundaries, and whether vendor remediation guidance exists.
Mitigation direction
- Inventory environments for the listed ECOA controller and BAS products.
- Remove controller interfaces from direct internet or untrusted network exposure.
- Restrict access using firewall rules, VPN, and administrative network segmentation.
- Check ECOA or TWCERT guidance for supported fixes or replacement instructions.
- Rotate credentials and secrets if configuration exposure is suspected.
- Increase monitoring for unusual access to controller configuration resources.
Validation and detection
- Confirm whether any affected ECOA products exist in asset inventory.
- Identify whether management interfaces are reachable from untrusted networks.
- Review logs for unauthenticated access to sensitive configuration resources.
- Verify administrative access is limited to trusted management networks.
- Track vendor or TWCERT advisories for patch and version clarification.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.
ATT&CK lookup starting points
Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.
CWE-200: Information exposure and cloud metadata lookup
Information exposure and SSRF weaknesses can make discovery, cloud metadata, and credential material review relevant. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.
Open ATT&CK lookupCredential and access behavior lookup
The CVE wording references authentication or credential exposure, so valid-account and credential-access review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupPrivilege behavior lookup
The CVE wording references privilege impact, so privilege escalation and authorization behavior review may help. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.
Open ATT&CK lookupCVE-2021-41301 mapping review
Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.
Open ATT&CK lookup- Severity
- Critical
- CVSS
- 9.8 (3.1)
- Known Exploited
- No
- Published
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS vector scores
1 official scoreWe collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H3.95.9Primary CVE scoreVulnerability scoring details
Base CVSS 3.1 score
9.8CriticalVector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source materials
- CVE List V5 sourceCVE List V5
- https://www.twcert.org.tw/tw/cp-132-5137-730a6-1.htmlCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.
Exposure of Sensitive Information to an Unauthorized Actor
Exposure of Sensitive Information to an Unauthorized Actor represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.