CVE-2024-3496

Information access and driver upload via session bypass

Published Jun 14, 2024 · Updated Aug 19, 2024

Authentication bypass in Toshiba Tec e-STUDIO MFPs allows network-adjacent attackers to access system information and driver uploads. The web login's improper session management exposes an alternate path that omits administrator authentication for those pages. User authentication must be disabled; successful access discloses printer system data and permits malicious driver upload, while public sources do not establish driver execution.

CVSS severity8.8
High
EPSS probability0.70%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
Coverage for this vulnerability

See if you're affected

Explore vulnerability checks for your environment with Hinoki.

Book a demo

Summary

What happened

Authentication bypass in Toshiba Tec e-STUDIO MFPs allows network-adjacent attackers to access system information and driver uploads. The web login's improper session management exposes an alternate path that omits administrator authentication for those pages. User authentication must be disabled; successful access discloses printer system data and permits malicious driver upload, while public sources do not establish driver execution.

The record

CVE
CVE-2024-3496
Published
Jun 14, 2024
Updated
Aug 19, 2024
Vendor
Toshiba Tec Corporation
Product
e-STUDIO2610AC
Classifications
CWE-288, CAPEC-115, T1190
Attack vector
adjacent
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Aug 19, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

Compare your product and version with the public record. A matching version still requires validation against your environment.

Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=*

What conditions does exploitation require?

Attack vectoradjacent
Required privilegesunauthenticated

What is affected?

Toshiba Tec Corporation · e-STUDIO2610ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 5015ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO3028Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 4528Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO6529Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2518Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 3525ACGversion=0 <=*
Toshiba Tec Corporation · e-STUDIO6528Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO6526ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2520NCversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 3525ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO3015NCversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 5525ACGversion=0 <=*
Toshiba Tec Corporation · e-STUDIO3018Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO9029Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2618Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 5525ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2020ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 3528AGversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 400ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2528Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 4528AGversion=0 <=*
Toshiba Tec Corporation · e-STUDIO5528Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2018Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 3118Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO3025ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2525ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO6527ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2021ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2015NCversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2010ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO7527ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2615NCversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2515NCversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 5115ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 3528Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 4525ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 330ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO7529Aversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2110ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO 4515ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2510ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO2521ACversion=0 <=*
Toshiba Tec Corporation · Toshiba Tec e-STUDIOversion=see the reference URL
Toshiba Tec Corporation · e-STUDIO 4615ACversion=0 <=*
Toshiba Tec Corporation · e-STUDIO6525ACversion=0 <=*

Published CVSS scores

8.8Toshiba Tec CorporationCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectoradjacent
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-288Authentication Bypass Using an Alternate Path or Channel
CAPEC-115Authentication Bypass
T1190Exploit Public-Facing Application

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

See the directory against your own environment.

Your stack

Check the software in your environment

Book a demo to see how Hinoki identifies affected software and validates exploitability in your environment.

Book a demo