{"cve":"CVE-2021-45035","nvd":{"published":"2022-09-23T16:15:10.380","modified":"2026-06-17T04:13:04.550","status":"Modified","description":"Velneo vClient on its 28.1.3 version, does not correctly check the certificate of authenticity by default. This could allow an attacker that has access to the network to perform a MITM attack in order to obtain the user´s credentials.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N","score":5.9},"cwes":["CWE-295","CWE-287"],"references":["https://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificados","https://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/","https://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authentication","https://www.velneo.com/blog/nueva-revision-velneo-29-2","https://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificados"],"products":["velneo:vclient"],"source":"nvd","synced_at":"2026-10-19T21:36:05.460296998+00:00"},"epss":{"cve":"CVE-2021-45035","score":0.00464,"percentile":0.40216,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}