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Fencer Vulns
medium 4.3

CVE-2020-11447 json

An issue was discovered on Bell HomeHub 3000 SG48222070 devices.

published 2023-11-17 2 y ago modified 2026-06-17 4 mo ago also EUVD-2020-3801

cvss
4.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
0.7%
EPSS 0.7% chance of exploitation in 30 days, percentile 51%
public exploits
0
none known

Summary

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.

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.65% chance of exploitation in the next 30 days, higher than 51% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • 0xem.ma https://0xem.ma/posts/HH3K-CVE/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 4.3 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected products

  • bell home_hub_3000_firmware

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.