CVE-2024-27159Public exploit

Log disclosure via device-wide encryption key

Published Jun 14, 2024 · Updated Feb 13, 2025

Use of hard-coded credentials in Toshiba Tec e-STUDIO MFPs allows local users to decrypt encrypted backup logs on the device. The encrypt_backup_log.sh script passes a device-wide static key to OpenSSL when encrypting collected log archives, so possession of an archive provides no device-specific secrecy. The gate is access to the device or an encrypted log file; exploitation reveals log contents without altering data or interrupting the printer.

CVSS severity6.2
Medium
EPSS probability0.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Use of hard-coded credentials in Toshiba Tec e-STUDIO MFPs allows local users to decrypt encrypted backup logs on the device. The encrypt_backup_log.sh script passes a device-wide static key to OpenSSL when encrypting collected log archives, so possession of an archive provides no device-specific secrecy. The gate is access to the device or an encrypted log file; exploitation reveals log contents without altering data or interrupting the printer.

The record

CVE
CVE-2024-27159
Published
Jun 14, 2024
Updated
Feb 13, 2025
Vendor
Toshiba Tec Corporation
Product
Toshiba Tec e-STUDIO
Classifications
CWE-798, T1140
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?

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  1. Affected versionversion=see the reference URL

What conditions does exploitation require?

Attack vectorlocal
Required privilegesunauthenticated

What is affected?

Toshiba Tec Corporation · Toshiba Tec e-STUDIOversion=see the reference URL

Published CVSS scores

6.2Toshiba CorporationCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

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No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectorlocal
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-798Use of Hard-coded Credentials
T1140Deobfuscate/Decode Files or Information

Public exploit references

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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