{"id":"CVE-2020-26155","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-26155","generatedAt":"2026-10-27T21:21:12.386Z","title":"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.","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.","published":"2021-03-18T17:15:13.000Z","lastModified":"2026-06-17T03:07:44.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-427","CWE-732"],"affected":["utimaco/block-safe firmware","utimaco/cryptoserver cp5 firmware","utimaco/cryptoserver cp5 vs-nfd firmware","utimaco/paymentserver firmware","utimaco/paymentserver hybrid firmware","utimaco/securityserver firmware"],"epss":{"score":0.00376,"percentile":0.31384,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.38%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://hsm.utimaco.com/products-hardware-security-modules/general-purpose-hsm/","tags":["Exploit","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://secureyourit.co.uk/wp/2021/03/13/utimaco-cve-2020-26155/","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://hsm.utimaco.com/products-hardware-security-modules/general-purpose-hsm/","tags":["Exploit","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://secureyourit.co.uk/wp/2021/03/13/utimaco-cve-2020-26155/","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-26155","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}