TI-2020-15990 Aliases CVE-2020-26155 GHSA-65xq-8rp7-x2x4

Multiple files and folders in Utimaco SecurityServer 4.20.0.4 and 4.31.1.0.

LOW 34CWE-427Published 2021-03-18 · Updated 2024-08-04

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-427.

Summary

Multiple files and folders in Utimaco SecurityServer 4.20.0.4 and 4.31.1.0. are installed with Read/Write permissions for authenticated users, which allows for binaries to be manipulated by non-administrator users. Additionally, entries are made to the PATH environment variable which, in conjunction with these weak permissions, could enable an attacker to perform a DLL hijacking attack.

Why it matters now

EPSS 0.00376 31st percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

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 · 9

CPE	Versions	Role	Vendor
cpe:2.3:o:utimaco:block-safe_firmware:2.0.0:::::::*	2.0.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:block-safe_firmware:3.0.0:::::::*	3.0.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.0.0.0:::::::*	5.0.0.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.1.0.0:::::::*	5.1.0.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_vs-nfd_firmware:5.1.0.0:::::::*	5.1.0.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:paymentserver_firmware::::::::	3.0 – 4.31.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:paymentserver_hybrid_firmware::::::::	3.0 – 4.33.0	Vulnerable	Utimaco
cpe:2.3:o:utimaco:securityserver_firmware::::::::	3.0 – 4.31.1	Vulnerable	Utimaco
cpe:2.3:o:microsoft:windows:-:::::::*	not specified by NVD	Running on	Microsoft

cpe:2.3:o:utimaco:block-safe_firmware:2.0.0:*:*:*:*:*:*:* Versions 2.0.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:block-safe_firmware:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.0.0.0:*:*:*:*:*:*:* Versions 5.0.0.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.1.0.0:*:*:*:*:*:*:* Versions 5.1.0.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:cryptoserver_cp5_vs-nfd_firmware:5.1.0.0:*:*:*:*:*:*:* Versions 5.1.0.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:paymentserver_firmware:*:*:*:*:*:*:*:* Versions 3.0 – 4.31.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:paymentserver_hybrid_firmware:*:*:*:*:*:*:*:* Versions 3.0 – 4.33.0 Vulnerable ·Utimaco
cpe:2.3:o:utimaco:securityserver_firmware:*:*:*:*:*:*:*:* Versions 3.0 – 4.31.1 Vulnerable ·Utimaco
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Microsoft

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-26155
2026-10-03 Alias added: GHSA-65xq-8rp7-x2x4

References

Exploit 1

https://hsm.utimaco.com/products-hardware-security-modules/general-purpose-hsm/

Advisory 1

https://secureyourit.co.uk/wp/2021/03/13/utimaco-cve-2020-26155/

Sources

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