CVE-2024-27180 – This vulnerability allows attackers with admini... (How to Fix)

Q: What is the severity of CVE-2024-27180?

CVE-2024-27180 has a CVSS score of 6.7 (MEDIUM). This vulnerability allows attackers with administrative access to install unauthorized applications on affected Toshiba multifunction printers. It affects specific Toshiba e-STUDIO and e-BRIDGE series models running vulnerable firmware versions. The flaw enables privilege escalation within the device management system.

📋 TL;DR

This vulnerability allows attackers with administrative access to install unauthorized applications on affected Toshiba multifunction printers. It affects specific Toshiba e-STUDIO and e-BRIDGE series models running vulnerable firmware versions. The flaw enables privilege escalation within the device management system.

💻 Affected Systems

Products:

Toshiba e-STUDIO series multifunction printers
Toshiba e-BRIDGE series multifunction printers

Versions: Specific firmware versions listed in vendor advisories (check exact models against vendor documentation)

Operating Systems: Embedded printer firmware

Default Config Vulnerable: ⚠️ Yes

Notes: Requires administrative access to exploit. Affects specific models only - check vendor advisory for exact model/version combinations.

⚠️ Manual Verification Required

This CVE does not have specific version information in our database, so automatic vulnerability detection cannot determine if your system is affected.

Why? The CVE database entry doesn't specify which versions are vulnerable (no version ranges provided by the vendor/NVD).

🔒 Custom verification scripts are available for registered users. Sign up free to download automated test scripts.

Recommended Actions:

Review the CVE details at NVD
Check vendor security advisories for your specific version
Test if the vulnerability is exploitable in your environment
Consider updating to the latest version as a precaution

⚠️ Risk & Real-World Impact

🔴

Worst Case

Complete device compromise allowing installation of malicious firmware, data exfiltration, persistence mechanisms, and use as internal network pivot point.

🟠

Likely Case

Unauthorized application installation leading to data leakage, device malfunction, or integration of device into botnet for internal attacks.

🟢

If Mitigated

Limited impact if proper network segmentation, admin access controls, and monitoring are implemented to detect unauthorized changes.

🌐 Internet-Facing: MEDIUM - Devices exposed to internet could be targeted if admin credentials are compromised or default credentials are used.

🏢 Internal Only: HIGH - Internal attackers with admin access or compromised admin accounts can exploit this to establish persistence and move laterally.

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: LOW

Requires administrative credentials. Once admin access is obtained, exploitation is straightforward through the device management interface.

🛠️ Fix & Mitigation

✅ Official Fix

Patch Version: Firmware updates specified in Toshiba advisory (check specific model for exact version)

Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html

Restart Required: Yes

Instructions:

1. Identify exact model and current firmware version. 2. Download appropriate firmware update from Toshiba support portal. 3. Apply firmware update through device web interface or local update procedure. 4. Verify successful update and restart device.

🔧 Temporary Workarounds

Restrict Administrative Access

all

Limit administrative access to trusted personnel only and implement strong authentication controls.

Network Segmentation

all

Place printers on isolated network segments with restricted access to critical systems.

🧯 If You Can't Patch

Implement strict access controls for administrative interfaces and monitor for unauthorized access attempts.
Disable unnecessary services and interfaces, and implement network segmentation to limit potential lateral movement.

🔍 How to Verify

Check if Vulnerable:

Check device model and firmware version against Toshiba's advisory list. Access device web interface and navigate to System Information or similar status page.

Check Version:

Access device web interface > System Information > Firmware Version (or similar menu path)

Verify Fix Applied:

Verify firmware version has been updated to patched version specified in Toshiba advisory. Test administrative functions to ensure proper access controls are working.

📡 Detection & Monitoring

Log Indicators:

Unexpected administrative login attempts
Firmware update or application installation events
Configuration changes from unusual sources

Network Indicators:

Unusual outbound connections from printer
Unexpected network traffic patterns from printer IP

SIEM Query:

source="printer_logs" AND (event_type="admin_login" OR event_type="firmware_update" OR event_type="app_install")

📊 Metadata

CVE ID: CVE-2024-27180

CVSS v3 Score: 6.7 (MEDIUM)

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

CWE: CWE-276

Published: June 14, 2024

Last Updated: November 21, 2024

🔗 References

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