How severe is CVE-2020-11447?

CVE-2020-11447 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.

Is CVE-2020-11447 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11447?

CVE-2020-11447 affects Bell Home Hub 3000 Firmware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2020-11447?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2020-11447 published?

CVE-2020-11447 was published on 2023-11-17 and last updated on 2026-06-17.

CVE-2020-11447

CVE-2020-11447 is a medium-severity vulnerability in Bell Home Hub 3000 Firmware with a CVSS 3.x base score of 4.3. 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-200.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (47th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-200
Affected product: Bell Home Hub 3000 Firmware
Published: 2023-11-17
Last modified: 2026-06-17

Description

An issue was discovered on Bell HomeHub 3000 SG48222070 devices. Remote authenticated users can retrieve the serial number via cgi/json-req - this is an information leak because the serial number is intended to prove an actor's physical access to the device.

Frequently asked questions

What is CVE-2020-11447?: An issue was discovered on Bell HomeHub 3000 SG48222070 devices. Remote authenticated users can retrieve the serial number via cgi/json-req - this is an information leak because the serial number is intended to prove an actor's physical access to the device.
How severe is CVE-2020-11447?: CVE-2020-11447 has a CVSS 3.x base score of 4.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity none, and availability none.
Is CVE-2020-11447 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (47th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11447?: CVE-2020-11447 affects Bell Home Hub 3000 Firmware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2020-11447?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2020-11447 published?: CVE-2020-11447 was published on 2023-11-17 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:bell:home_hub_3000_firmware:sg48222070:*:*:*:*:*:*:*

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