PT-2023-11451 · Bell · Bell Homehub 3000

0Xemma · Published 2023-11-17 · Updated 2024-09-04 · CVE-2020-11447

Positive Technologies (AI Summary)

CVSS v3.1

4.3

Medium

Base vector

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Bell HomeHub 3000 version SG48222070

Description An issue allows remote authenticated users to retrieve the serial number via the "cgi/json-req" endpoint. This is considered an information leak because the serial number is intended to prove an actor's physical access to the device.

Recommendations For Bell HomeHub 3000 version SG48222070, as a temporary workaround, consider restricting access to the "cgi/json-req" endpoint to minimize the risk of exploitation. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2020-11447

Affected Products

Bell Homehub 3000

References · 6

• 🔥 https://0xem.ma/posts/HH3K-CVE · Exploit
• https://osv.dev/vulnerability/CVE-2020-11447 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-11447 · Security Note
• https://t.me/cvenotify/93252 · Telegram Post
• https://t.me/cvenotify/60564 · Telegram Post
• https://support.bell.ca/Internet/Connection-help/Access_control_in_the_Home_Hub_modems · Note