How severe is CVE-2021-27195?

CVE-2021-27195 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2021-27195 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2021-27195?

CVE-2021-27195 affects Netop Vision Pro. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2021-27195?

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

When was CVE-2021-27195 published?

CVE-2021-27195 was published on 2021-03-25 and last updated on 2026-06-17.

CVE-2021-27195

CVE-2021-27195 is a medium-severity vulnerability in Netop Vision Pro with a CVSS 3.x base score of 5.9. 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-863.

Key facts

Severity: Medium (CVSS 3.x base score 5.9)
CVSS v2: 5.0
EPSS exploit prediction: 1% (51st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-863
Affected product: Netop Vision Pro
Published: 2021-03-25
Last modified: 2026-06-17

Description

Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.

Frequently asked questions

What is CVE-2021-27195?: Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.
How severe is CVE-2021-27195?: CVE-2021-27195 has a CVSS 3.x base score of 5.9, rated medium severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2021-27195 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (51st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-27195?: CVE-2021-27195 affects Netop Vision Pro. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-27195?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-27195 published?: CVE-2021-27195 was published on 2021-03-25 and last updated on 2026-06-17.

References

https://www.mcafee.com/blogs/other-blogs/mcafee-labs/netop-vision-pro-distance-learning-software-is-20-20-in-hindsight

Affected products (1)

cpe:2.3:a:netop:vision_pro:*:*:*:*:*:*:*:*

More vulnerabilities in Netop Vision Pro

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