How severe is CVE-2021-45035?

CVE-2021-45035 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.

Is CVE-2021-45035 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-45035?

CVE-2021-45035 affects Velneo Vclient. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-45035?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2021-45035 published?

CVE-2021-45035 was published on 2022-09-23 and last updated on 2026-06-17.

CVE-2021-45035

CVE-2021-45035 is a medium-severity vulnerability in Velneo Vclient with a CVSS 3.x base score of 6.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-295.

Key facts

Severity: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (28th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-295
Affected product: Velneo Vclient
Published: 2022-09-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-45035?: CVE-2021-45035 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over an adjacent network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity low, and availability none.
Is CVE-2021-45035 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (28th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-45035?: CVE-2021-45035 affects Velneo Vclient. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-45035?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-45035 published?: CVE-2021-45035 was published on 2022-09-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:velneo:vclient:28.1.3:*:*:*:*:*:*:*

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