CVE-2023-49255: h8951-4g-esp Missing Auth (CVSS 9.8)

Description

The router console is accessible without authentication at "data" field, and while a user needs to be logged in in order to modify the configuration, the session state is shared. If any other user is currently logged in, the anonymous user can execute commands in the context of the authenticated one. If the logged in user has administrative privileges, it is possible to use webadmin service configuration commands to create a new admin user with a chosen password.

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CVSS v3.1 Score

9.8

CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-306 Missing Authentication

Affected Products

Vendor	Product	Versions
hongdian	h8951-4g-esp_firmware	< 2310271149
hongdian	h8951-4g-esp	All

References

Other References

https://cert.pl/en/posts/2024/01/CVE-2023-49253/ https://cert.pl/posts/2024/01/CVE-2023-49253/ https://cert.pl/en/posts/2024/01/CVE-2023-49253/ https://cert.pl/posts/2024/01/CVE-2023-49253/

Frequently Asked Questions

What is CVE-2023-49255? +

The router console is accessible without authentication at "data" field, and while a user needs to be logged in in order to modify the configuration, the session state is shared. If any other user is currently logged in, the anonymous user can execute commands in the context of the authenticated one. If the logged in user has administrative privileges, it is possible to use webadmin service configuration commands to create a new admin user with a chosen password. It has a CVSS v3.1 base score of 9.8 (CRITICAL).

How severe is CVE-2023-49255? +

CVE-2023-49255 has a CVSS v3.1 score of 9.8 out of 10, rated CRITICAL. This is a critical vulnerability that should be patched immediately.

What products are affected by CVE-2023-49255? +

CVE-2023-49255 affects products from hongdian, specifically: h8951-4g-esp, h8951-4g-esp_firmware. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2023-49255? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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