CVE-2024-27167

Root code execution via writable Sendmail configuration

Published Jun 14, 2024 · Updated Feb 13, 2025

Incorrect permissions in Sendmail directories on Toshiba Tec e-STUDIO MFPs allow local users to execute arbitrary code as root. The mode-777 /work/ci/tmp directory accepts attacker-controlled temporary configuration files that Sendmail later loads, while /var/spool/clientmqueue is also dangerously writable. Local access to the printer firmware is required; successful exploitation grants root-level code execution and access to stored data.

CVSS severity7.4
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Incorrect permissions in Sendmail directories on Toshiba Tec e-STUDIO MFPs allow local users to execute arbitrary code as root. The mode-777 /work/ci/tmp directory accepts attacker-controlled temporary configuration files that Sendmail later loads, while /var/spool/clientmqueue is also dangerously writable. Local access to the printer firmware is required; successful exploitation grants root-level code execution and access to stored data.

The record

CVE
CVE-2024-27167
Published
Jun 14, 2024
Updated
Feb 13, 2025
Vendor
Toshiba Tec Corporation
Product
e-STUDIO2610AC
Classifications
CWE-276, CAPEC-1, T1574
Attack vector
local
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 14, 2024CVE publishedPublication date reported by the CVE source.
  2. Feb 13, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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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 vectorlocal
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

7.4Toshiba CorporationCVSS:3.1/AV:L/AC:H/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)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-276Incorrect Default Permissions
CAPEC-1Accessing Functionality Not Properly Constrained by ACLs
T1574Hijack Execution Flow

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

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Your stack

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