How severe is CVE-2018-20220?

CVE-2018-20220 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2018-20220 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-20220?

CVE-2018-20220 primarily affects Teracue Enc-400 Hdmi Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-20220?

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

When was CVE-2018-20220 published?

CVE-2018-20220 was published on 2019-03-21 and last updated on 2026-06-17.

CVE-2018-20220

CVE-2018-20220 is a high-severity vulnerability in Teracue Enc-400 Hdmi Firmware with a CVSS 3.x base score of 7.5. Its EPSS exploit-prediction score of 15% places it in the 96th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-306.

Key facts

Severity: High (CVSS 3.x base score 7.5)
CVSS v2: 5.0
EPSS exploit prediction: 15% (96th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-306
Affected product: Teracue Enc-400 Hdmi Firmware
Published: 2019-03-21
Last modified: 2026-06-17

Description

An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication. An attacker is able to view these pages before being authenticated, and some of these pages may disclose sensitive information.

Frequently asked questions

What is CVE-2018-20220?: An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. While the web interface requires authentication before it can be interacted with, a large portion of the HTTP endpoints are missing authentication. An attacker is able to view these pages before being authenticated, and some of these pages may disclose sensitive information.
How severe is CVE-2018-20220?: CVE-2018-20220 has a CVSS 3.x base score of 7.5, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2018-20220 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 15% (96th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-20220?: CVE-2018-20220 primarily affects Teracue Enc-400 Hdmi Firmware. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-20220?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-20220 published?: CVE-2018-20220 was published on 2019-03-21 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:o:teracue:enc-400_hdmi_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:teracue:enc-400_hdmi2_firmware:*:*:*:*:*:*:*:*
cpe:2.3:o:teracue:enc-400_hdsdi_firmware:*:*:*:*:*:*:*:*

More vulnerabilities in Teracue Enc-400 Hdmi Firmware

CVE-2018-20218 — Critical (CVSS 9.8): An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. The login form passes user input…
CVE-2018-20219 — High (CVSS 8.1): An issue was discovered on Teracue ENC-400 devices with firmware 2.56 and below. After successful authentication, the…

All CVEs affecting Teracue Enc-400 Hdmi Firmware →

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