Auth bypass in Velneo Vclient
CVE-2021-45035
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.
Vulnerability class: Broken Authentication
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (37.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 37th percentile — 37.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Velneo Vclient — versions 28.1.3
- Velneo Vclient — versions 28.1.3
Weakness classification (CWE)
References
- www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper… (Third Party Advisory)
- velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/ (Vendor Advisory)
- www.velneo.com/blog/nueva-revision-velneo-29-2 (Vendor Advisory)
- doc.velneo.com/v/29/velneo/notas-de-la-version (Vendor Advisory)
Frequently asked questions
- What is CVE-2021-45035?
- CVE-2021-45035 is a medium-severity vulnerability in Velneo Vclient, classified under Improper Authentication. CVSS score: 6.3/10. Published 2022-09-23.
- How severe is CVE-2021-45035?
- Medium severity. CVSS v3 base score is 6.3 out of 10.