Toshiba e-STUDIO2518A Authentication Bypass Vulnerability

June 18th, 2024
ZDI-24-813 ZDI-CAN-23108

CVE ID

CVE-2024-3496

CVSS Score

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

Affected Vendors

Toshiba

Affected Products

e-STUDIO2518A

Vulnerability Details

This vulnerability allows network-adjacent attackers to bypass authentication on affected installations of Toshiba e-STUDIO2518A printers. Authentication is not required to exploit this vulnerability.

The specific flaw exists within the authentication mechanism. The issue results from improper session management. An attacker can leverage this vulnerability to bypass authentication on the system.

Additional Details

Toshiba has issued an update to correct this vulnerability. More details can be found at:
https://www.toshibatec.com/information/20240531_01.html

Disclosure Timeline

  • 2024-02-14 - Vulnerability reported to vendor
  • 2024-06-18 - Coordinated public release of advisory
  • 2024-08-15 - Advisory Updated

Credit

Zhenhua Huang from trendmicro, Harry Zhang from trendmicro, Minmin Li

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