CVE-2021-45035

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.46% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 39.9% of scored records. A rank, not a probability.

NVD base score

5.9 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

NVD analysis status

Modified. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2022-09-23 15:02Z4 YR AGO

Last updated

2025-05-22 18:24Z1 YR AGO

Reserved

2021-12-13

Assigning CNA

INCIBE

Record state

PUBLISHED

Severity

Medium (CVSS 6.3)

CNA CVSS vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Weaknesses

• CWE-287Improper AuthenticationClass
• CWE-295Improper Certificate ValidationBase

Data version

5.1

Document digest

d61c6164cf6fcb346d81a7ad32475cb1670874d5d9ca9ebb33e5d4f5ac03e4e9

• www.incibe-cert.eshttps://www.incibe-cert.es/en/early-warning/security-advisories/velneo-vclient-improper-authenticationx_refsource_CONFIRM
• velneo.eshttps://velneo.es/publicacion-de-incidencia-de-seguridad-en-cve-cve-2021-45035/x_refsource_CONFIRM
• www.velneo.comhttps://www.velneo.com/blog/nueva-revision-velneo-29-2x_refsource_MISC
• doc.velneo.comhttps://doc.velneo.com/v/29/velneo/notas-de-la-version#verificacion-de-certificadosx_refsource_MISC