How severe is CVE-2021-41296?

CVE-2021-41296 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2021-41296 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41296?

CVE-2021-41296 primarily affects Ecoa Riskterminator. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2021-41296?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2021-41296 published?

CVE-2021-41296 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2021-41296

CVE-2021-41296 is a critical-severity vulnerability in Ecoa Riskterminator with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-521.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (56th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-521
Affected product: Ecoa Riskterminator
Published: 2021-09-30
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2021-41296?: 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.
How severe is CVE-2021-41296?: CVE-2021-41296 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-41296 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (56th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41296?: CVE-2021-41296 primarily affects Ecoa Riskterminator. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2021-41296?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2021-41296 published?: CVE-2021-41296 was published on 2021-09-30 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-5132-65705-1.html

Affected products (3)

cpe:2.3:o:ecoa:ecs_router_controller-ecs_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:ecoa:riskbuster_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:ecoa:riskterminator:-:*:*:*:*:*:*:*

More vulnerabilities in Ecoa Riskterminator

CVE-2021-41301 — Critical (CVSS 9.8): ECOA BAS controller is vulnerable to configuration disclosure when direct object reference is made to the specific…
CVE-2021-41300 — Critical (CVSS 9.8): ECOA BAS controller’s special page displays user account and passwords in plain text, thus unauthenticated attackers…
CVE-2021-41299 — Critical (CVSS 9.8): ECOA BAS controller is vulnerable to hard-coded credentials within its Linux distribution image, thus remote attackers…
CVE-2021-41292 — Critical (CVSS 9.8): ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie…
CVE-2021-41290 — Critical (CVSS 9.8): ECOA BAS controller suffers from an arbitrary file write and path traversal vulnerability. Using the POST parameters,…
CVE-2021-41294 — Critical (CVSS 9.1): ECOA BAS controller suffers from a path traversal vulnerability, causing arbitrary files deletion. Using the specific…

All CVEs affecting Ecoa Riskterminator →

Other CWE-521 (Weak Password Requirements) vulnerabilities

CVE-2026-25715 — Critical (CVSS 9.8): The web management interface of the device allows the administrator username and password to be set to blank values.…
CVE-2025-53963 — Critical (CVSS 9.8): An issue was discovered on Thermo Fisher Ion Torrent OneTouch 2 INS1005527 devices. They run an SSH server accessible…
CVE-2025-63747 — Critical (CVSS 9.8): QaTraq 6.9.2 ships with administrative account credentials which are enabled in default installations and permit…
CVE-2025-12552 — Critical (CVSS 9.8): Insufficient Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.
CVE-2025-11200 — Critical (CVSS 9.8): MLflow Weak Password Requirements Authentication Bypass Vulnerability. This vulnerability allows remote attackers to…
CVE-2025-12364 — Critical (CVSS 9.8): Weak Password Policy.This issue affects BLU-IC2: through 1.19.5; BLU-IC4: through 1.19.5.

Browse all CWE-521 (Weak Password Requirements) vulnerabilities →