CVE-2021-27195

MEDIUMNVD 5.95.9—

5.9

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

CVSS v3: 5.9
EG Score: 5.9(medium)
EPSS: 47.9%
KEV: Not listed

Published

March 25, 2021

Last Modified

November 21, 2024

References (2)

cve@mitrehttps://www.mcafee.com/blogs/other-blogs/mcafee-labs/netop-vision-pro-distance-learning-software-is-20-20-in-hindsight
af854a3a-2127-422b-91ae-364da2661108https://www.mcafee.com/blogs/other-blogs/mcafee-labs/netop-vision-pro-distance-learning-software-is-20-20-in-hindsight

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 7× in last 7d / 7× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 19:10 UTCEG score recompute
2026-05-26 19:10 UTCGHSA enrichment
2026-05-26 13:42 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch

Frequently asked(5)

What is CVE-2021-27195?

CVE-2021-27195 is a medium vulnerability published on March 25, 2021. Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.

When was CVE-2021-27195 disclosed?

CVE-2021-27195 was first published in the National Vulnerability Database on March 25, 2021, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2021-27195 actively exploited?

CVE-2021-27195 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 47.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2021-27195?

CVE-2021-27195 has a CVSS v3 base score of 5.9 (NVD).

How do I remediate CVE-2021-27195?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2021-27195, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2021-27195

📅 Published

🔄 Last Modified

🔗 References (2)