CVE-2021-41296
ECOA BAS controller - Weak Password Requirements
CVE-2021-41296 is a critical vulnerability (CVSS 9.8) in Ecoa Ecs Router Controller Ecs (flash), published September 30, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.95%, the 61st percentile. No source names a fixed version.
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
ECOA BAS controller - Weak Password Requirements
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
- Record
CVE-2021-41296- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-521
- Updated
- 2026-11-02
EUVDEUVD-2021-28326
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
- Record
EUVD-2021-28326- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fwj3-rrm4-m35q No score
ECOA BAS controller uses weak set of default administrative credentials that can be easily...
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
- Record
GHSA-fwj3-rrm4-m35q- Weakness
- CWE-521
- Updated
- 2026-11-02
NVD
ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password attacks and gain full control of the system.
- Record
CVE-2021-41296- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-521
- Updated
- 2026-11-02
Affected products
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases, published | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD |