CVE-2021-45035

MEDIUM 5.9CVE-2021-45035 · Published 23/09/2022 · updated 17/06/2026

In short

CVE-2021-45035 is a MEDIUM (CVSS 5.9) vulnerability affecting vclient (velneo).
Chance of exploitation in the next 30 days (EPSS): 0.46%, higher than 40.4% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
vclient velneo	`= 28.1.3`	No fix yet

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.

References

doc.velneo.com/v/29/velneo/notas-de-la-version · Vendor Advisory
velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035 · Vendor Advisory
incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authentication · Third Party Advisory
velneo.com/blog/nueva-revision-velneo-29-2 · Vendor Advisory

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