TI-2018-08850 Aliases CVE-2018-12336 GHSA-4539-59fr-99v5

Undocumented Factory Backdoor in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows the vendor…

MEDIUM 45CWE-200Published 2018-06-17 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-200.

Summary

Undocumented Factory Backdoor in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows the vendor to extract confidential information via remote root SSH access.

Why it matters now

EPSS 0.01511 74th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPE	Versions	Role	Vendor
cpe:2.3:o:ecos:secure_boot_stick_firmware:5.6.5:::::::*	5.6.5	Vulnerable	Ecos
cpe:2.3:h:ecos:secure_boot_stick:-:::::::*	not specified by NVD	Running on	Ecos

cpe:2.3:o:ecos:secure_boot_stick_firmware:5.6.5:*:*:*:*:*:*:* Versions 5.6.5 Vulnerable ·Ecos
cpe:2.3:h:ecos:secure_boot_stick:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Ecos

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2018-12336
2026-10-03 Alias added: GHSA-4539-59fr-99v5

References

Advisory 1

https://telematik.prakinf.tu-ilmenau.de/ecos-sbs/advisory.html

TI-2018-08844 Protection Mechanism Failure in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows an attacker… CVSS 3.0HIGH 8.1
TI-2018-08847 Insufficient Verification of Data Authenticity vulnerability in ECOS Secure Boot Stick… CVSS 3.0HIGH 8.1
TI-2018-08848 Protection Mechanism Failure in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows an attacker… CVSS 3.0HIGH 7.5
TI-2018-08843 Protection Mechanism Failure in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows a local… CVSS 3.0MEDIUM 5.9
TI-2018-08851 Reliance on Security Through Obscurity vulnerability in ECOS Secure Boot Stick (aka SBS)… CVSS 3.0MEDIUM 4.6
TI-2018-08846 Incomplete Cleanup vulnerability in ECOS Secure Boot Stick (aka SBS) 5.6.5 allows an… CVSS 3.0MEDIUM 4.2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences