How severe is CVE-2020-9477?

CVE-2020-9477 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-2020-9477 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-9477?

CVE-2020-9477 affects Humaxdigital Hga12r-02 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-9477?

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-2020-9477 published?

CVE-2020-9477 was published on 2020-03-04 and last updated on 2026-06-17.

CVE-2020-9477

CVE-2020-9477 is a critical-severity vulnerability in Humaxdigital Hga12r-02 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-319.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 5.0
EPSS exploit prediction: 1% (66th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-319
Affected product: Humaxdigital Hga12r-02 Firmware
Published: 2020-03-04
Last modified: 2026-06-17

Description

An issue was discovered on HUMAX HGA12R-02 BRGCAA 1.1.53 devices. A vulnerability in the authentication functionality in the web-based interface could allow an unauthenticated remote attacker to capture packets at the time of authentication and gain access to the cleartext password. An attacker could use this access to create a new user account or control the device.

Frequently asked questions

What is CVE-2020-9477?: An issue was discovered on HUMAX HGA12R-02 BRGCAA 1.1.53 devices. A vulnerability in the authentication functionality in the web-based interface could allow an unauthenticated remote attacker to capture packets at the time of authentication and gain access to the cleartext password. An attacker could use this access to create a new user account or control the device.
How severe is CVE-2020-9477?: CVE-2020-9477 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-2020-9477 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (66th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-9477?: CVE-2020-9477 affects Humaxdigital Hga12r-02 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-9477?: 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-2020-9477 published?: CVE-2020-9477 was published on 2020-03-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:humaxdigital:hga12r-02_firmware:brgcaa1.1.53:*:*:*:*:*:*:*

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