High severity7.8NVD Advisory· Published Mar 18, 2021· Updated Jun 17, 2026
CVE-2020-26155
CVE-2020-26155
Description
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.
Affected products
10cpe:2.3:o:utimaco:block-safe_firmware:2.0.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:utimaco:block-safe_firmware:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:utimaco:block-safe_firmware:3.0.0:*:*:*:*:*:*:*
cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.0.0.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.0.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:utimaco:cryptoserver_cp5_firmware:5.1.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:utimaco:cryptoserver_cp5_vs-nfd_firmware:5.1.0.0:*:*:*:*:*:*:*
- cpe:2.3:o:utimaco:paymentserver_firmware:*:*:*:*:*:*:*:*Range: >=3.0,<=4.31.0
- cpe:2.3:o:utimaco:paymentserver_hybrid_firmware:*:*:*:*:*:*:*:*Range: >=3.0,<=4.33.0
- cpe:2.3:o:utimaco:securityserver_firmware:*:*:*:*:*:*:*:*Range: >=3.0,<=4.31.1
- Utimaco/SecurityServerdescription
- Range: 4.20.0.4 and 4.31.1.0
Patches
Vulnerability mechanics
References
2- hsm.utimaco.com/products-hardware-security-modules/general-purpose-hsm/nvdExploitVendor Advisory
- secureyourit.co.uk/wp/2021/03/13/utimaco-cve-2020-26155/nvdThird Party Advisory
News mentions
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