How severe is CVE-2021-41292?

CVE-2021-41292 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-2021-41292 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41292?

CVE-2021-41292 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-2021-41292?

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-2021-41292 published?

CVE-2021-41292 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2021-41292

CVE-2021-41292 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-287.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 6.4
EPSS exploit prediction: 1% (65th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-287
Affected product: Ecoa Riskterminator
Published: 2021-09-30
Last modified: 2026-06-17

Description

ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie poisoning can remotely bypass authentication and disclose sensitive information and circumvent physical access controls in smart homes and buildings and manipulate HVAC.

Frequently asked questions

What is CVE-2021-41292?: ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie poisoning can remotely bypass authentication and disclose sensitive information and circumvent physical access controls in smart homes and buildings and manipulate HVAC.
How severe is CVE-2021-41292?: CVE-2021-41292 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-2021-41292 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (65th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41292?: CVE-2021-41292 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-2021-41292?: 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-2021-41292 published?: CVE-2021-41292 was published on 2021-09-30 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-5128-b075a-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-2021-41296 — Critical (CVSS 9.8): ECOA BAS controller uses weak set of default administrative credentials that can be easily guessed in remote password…
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-287 (Improper Authentication) vulnerabilities

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CVE-2026-19977 — Critical (CVSS 10.0): A vulnerability was detected in EFM ipTIME A3004T 14.19.0. The affected element is the function…
CVE-2026-59500 — Critical (CVSS 10.0): CWE-287: Improper Authentication
CVE-2024-27253 — Critical (CVSS 10.0): IBM DOORS Next 7.0.3 through 7.0.3 Interim Fix 018 could allow an authenticated user to bypass security logic to…
CVE-2026-56162 — Critical (CVSS 10.0): Improper authentication in Azure SQL Database allows an unauthorized attacker to elevate privileges over a network.
CVE-2026-62825 — Critical (CVSS 10.0): Improper authentication in Azure Key Vault allows an unauthorized attacker to elevate privileges over a network.

Browse all CWE-287 (Improper Authentication) vulnerabilities →