How severe is CVE-2021-41290?

CVE-2021-41290 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-2021-41290 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-41290?

CVE-2021-41290 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-2021-41290?

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-2021-41290 published?

CVE-2021-41290 was published on 2021-09-30 and last updated on 2026-06-17.

CVE-2021-41290

CVE-2021-41290 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-22.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 2% (81st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Ecoa Riskterminator
Published: 2021-09-30
Last modified: 2026-06-17

Description

ECOA BAS controller suffers from an arbitrary file write and path traversal vulnerability. Using the POST parameters, unauthenticated attackers can remotely set arbitrary values for location and content type and gain the possibility to execute arbitrary code on the affected device.

Frequently asked questions

What is CVE-2021-41290?: ECOA BAS controller suffers from an arbitrary file write and path traversal vulnerability. Using the POST parameters, unauthenticated attackers can remotely set arbitrary values for location and content type and gain the possibility to execute arbitrary code on the affected device.
How severe is CVE-2021-41290?: CVE-2021-41290 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-2021-41290 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (81st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-41290?: CVE-2021-41290 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-2021-41290?: 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-2021-41290 published?: CVE-2021-41290 was published on 2021-09-30 and last updated on 2026-06-17.

References

https://www.twcert.org.tw/tw/cp-132-5126-ca315-1.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-2021-41292 — Critical (CVSS 9.8): ECOA BAS controller suffers from an authentication bypass vulnerability. An unauthenticated attacker through cookie…
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 →

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