PatchTheCVECVE-2021-41300: ECOA BAS controller’s special page displays user account and passwords in plain text, thus unauthenticated att
CVE-2021-41300 is a critical-severity flaw (CVSS 9.8) affecting ecs router controller-ecs firmware, riskbuster firmware, riskterminator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
ECOA BAS controller’s special page displays user account and passwords in plain text, thus unauthenticated attackers can access the page and obtain privilege with full functionality.
Why this priority
- Critical severity
- Remotely exploitable, no login, no user action
No fix is published yet: follow the downgrade or mitigation steps.
Risk facts
| CVSS score | 9.8 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 1.0% (top 38%) |
| CISA exploited list | No |
| Weakness | CWE-522 |
| Published | 2021-09-30 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-41300?
ecs router controller-ecs firmware: mitigate or apply the listed mitigation; riskbuster firmware: mitigate or apply the listed mitigation; riskterminator: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.
Is CVE-2021-41300 being exploited?
CVE-2021-41300 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-41300 affect?
CVE-2021-41300 affects ecs router controller-ecs firmware, riskbuster firmware, riskterminator. Severity is critical (CVSS 9.8). ECOA BAS controller’s special page displays user account and passwords in plain text, thus unauthenticated attackers can access the page and obtain privilege with full functionality.
How urgent is CVE-2021-41300?
Priority 55/100. Critical severity; Remotely exploitable, no login, no user action
Related CVEs
- CVE-2021-41302 HIGH 7.3 MITIGATE MITIGATE ECOA BAS controller stores sensitive data (backup exports) in clear-text, thus the unauthenticated attacker ca
- CVE-2021-41301 CRITICAL 9.8 MITIGATE MITIGATE ECOA BAS controller is vulnerable to configuration disclosure when direct object reference is made to the spec
- CVE-2021-41299 CRITICAL 9.8 MITIGATE MITIGATE ECOA BAS controller is vulnerable to hard-coded credentials within its Linux distribution image, thus remote a
- CVE-2021-41298 HIGH 8.8 MITIGATE MITIGATE ECOA BAS controller is vulnerable to insecure direct object references that occur when the application provide
- CVE-2021-41297 HIGH 8.8 MITIGATE MITIGATE ECOA BAS controller is vulnerable to weak access control mechanism allowing authenticated user to remotely esc