CVE-2024-27149
📋 TL;DR
This CVE describes a local privilege escalation vulnerability in Toshiba printers that allows attackers to gain elevated privileges on affected devices. Attackers can remotely compromise any vulnerable Toshiba printer. Organizations using affected Toshiba printer models are at risk.
💻 Affected Systems
- Toshiba e-STUDIO and e-BRIDGE series printers
⚠️ 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.
- 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 compromise of printer with administrative access, potential lateral movement to connected networks, and data exfiltration from printed documents.
Likely Case
Printer takeover leading to denial of service, unauthorized printing, and potential access to network credentials stored on the device.
If Mitigated
Limited impact with proper network segmentation and access controls preventing printer access from untrusted networks.
🎯 Exploit Status
Exploit details published in security advisories; remote exploitation possible without authentication.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: Firmware updates released May 2024
Vendor Advisory: https://www.toshibatec.com/information/20240531_01.html
Restart Required: Yes
Instructions:
1. Identify affected printer models from vendor advisory. 2. Download latest firmware from Toshiba support portal. 3. Apply firmware update following manufacturer instructions. 4. Verify update completion and restart printer.
🔧 Temporary Workarounds
Network Segmentation
allIsolate printers on separate VLAN with restricted access
Access Control
allRestrict printer management interface access to authorized IPs only
🧯 If You Can't Patch
- Disable remote management features if not required
- Implement strict firewall rules blocking all external access to printer management ports
🔍 How to Verify
Check if Vulnerable:
Check printer firmware version against vendor advisory; if pre-May 2024, likely vulnerable.Check Version:
Check printer web interface or management console for firmware version information.Verify Fix Applied:
Verify firmware version is updated to post-May 2024 release and test management interface for unauthorized access.📡 Detection & Monitoring
Log Indicators:
- Unauthorized access attempts to printer management interface
- Unexpected firmware modification logs
- Printer configuration changes from unknown sources
Network Indicators:
- Unusual traffic to printer management ports (typically 80, 443, 9100)
- Multiple failed authentication attempts followed by successful access
SIEM Query:
source_ip=printer_management_interface AND (event_type=authentication_failure OR event_type=configuration_change)🔗 References
- http://seclists.org/fulldisclosure/2024/Jul/1
- https://jvn.jp/en/vu/JVNVU97136265/index.html
- https://www.toshibatec.com/information/20240531_01.html
- https://www.toshibatec.com/information/pdf/information20240531_01.pdf
- http://seclists.org/fulldisclosure/2024/Jul/1
- https://jvn.jp/en/vu/JVNVU97136265/index.html
- https://www.toshibatec.com/information/20240531_01.html
- https://www.toshibatec.com/information/pdf/information20240531_01.pdf
