CVE-2021-27195: Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to re

Q: How do I fix CVE-2021-27195?

vision pro: upgrade to newer than 9.7.1. Exact commands for each OS are on this page.

Q: Is CVE-2021-27195 being exploited?

CVE-2021-27195 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2021-27195 affect?

CVE-2021-27195 affects vision pro. Severity is medium (CVSS 5.9). Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.

Q: How urgent is CVE-2021-27195?

Priority 40/100. Remotely exploitable, no login, no user action

This month

MEDIUM 5.9REMOTEUPGRADE

CVE-2021-27195 is a medium-severity flaw (CVSS 5.9) affecting vision pro. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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

Why this priority

Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score	5.9 (Medium)
Attack vector	Network (remote)
Attack complexity	High
Privileges needed	None
User interaction	None
EPSS exploit chance	0.8% (top 44%)
CISA exploited list	No
Weakness	CWE-863
Published	2021-03-25
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: netop

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2021-03-25 19:15 UTCPublished CVE record published
2026-06-17 03:44 UTCUpdated Record last modified

netop vision pro UPGRADE

Affected: <= 9.7.1

Fixed in: newer than 9.7.1

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy vision-pro || rpm -q vision-pro || vision-pro --version

2. UPGRADE to newer than 9.7.1 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade vision-pro

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade vision-pro

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2021-27195?

vision pro: upgrade to newer than 9.7.1. Exact commands for each OS are on this page.

Is CVE-2021-27195 being exploited?

CVE-2021-27195 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2021-27195 affect?

CVE-2021-27195 affects vision pro. Severity is medium (CVSS 5.9). Improper Authorization vulnerability in Netop Vision Pro up to and including to 9.7.1 allows an attacker to replay network traffic.

How urgent is CVE-2021-27195?

Priority 40/100. Remotely exploitable, no login, no user action

Related CVEs

CVE-2021-36134 HIGH 7.4 UPGRADE Out of bounds write vulnerability in the JPEG parsing code of Netop Vision Pro up to and including 9.7.2 allow
CVE-2021-27194 HIGH 8.8 UPGRADE Cleartext transmission of sensitive information in Netop Vision Pro up to and including 9.7.1 allows a remote
CVE-2021-27193 CRITICAL 9.8 UPGRADE Incorrect default permissions vulnerability in the API of Netop Vision Pro up to and including 9.7.1 allows a
CVE-2021-27192 HIGH 7.8 UPGRADE Local privilege escalation vulnerability in Windows clients of Netop Vision Pro up to and including 9.7.1 allo

References

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