How severe is CVE-2020-28998?

CVE-2020-28998 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-2020-28998 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-28998?

CVE-2020-28998 affects Mygeeni Gnc-cw013 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-28998?

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-2020-28998 published?

CVE-2020-28998 was published on 2021-01-26 and last updated on 2026-06-17.

CVE-2020-28998

CVE-2020-28998 is a critical-severity vulnerability in Mygeeni Gnc-cw013 Firmware 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-798.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 3% (85th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-798
Affected product: Mygeeni Gnc-cw013 Firmware
Published: 2021-01-26
Last modified: 2026-06-17

Description

An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.

Frequently asked questions

What is CVE-2020-28998?: An issue was discovered on Geeni GNC-CW013 doorbell 1.8.1 devices. A vulnerability exists in the Telnet service that allows a remote attacker to take full control of the device with a high-privileged account. The vulnerability exists because a system account has a default and static password.
How severe is CVE-2020-28998?: CVE-2020-28998 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-2020-28998 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (85th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-28998?: CVE-2020-28998 affects Mygeeni Gnc-cw013 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-28998?: 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-2020-28998 published?: CVE-2020-28998 was published on 2021-01-26 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:mygeeni:gnc-cw013_firmware:1.8.1:*:*:*:*:*:*:*

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