CVE-2021-38142: Barco MirrorOp Windows Sender before 2.5.3.65 uses cleartext HTTP and thus allows rogue software upgrades

Q: How do I fix CVE-2021-38142?

mirrorop windows sender: upgrade to 2.5.3.65. Exact commands for each OS are on this page.

Q: Is CVE-2021-38142 being exploited?

CVE-2021-38142 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-2021-38142 affect?

CVE-2021-38142 affects mirrorop windows sender. Severity is high (CVSS 8.8). Barco MirrorOp Windows Sender before 2.5.3.65 uses cleartext HTTP and thus allows rogue software upgrades. An attacker on the local network can achieve remote code execution on any computer that tries to update Windows Sender due to the fac

This month

HIGH 8.8UPGRADE

CVE-2021-38142 is a high-severity flaw (CVSS 8.8) affecting mirrorop windows sender. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Barco MirrorOp Windows Sender before 2.5.3.65 uses cleartext HTTP and thus allows rogue software upgrades. An attacker on the local network can achieve remote code execution on any computer that tries to update Windows Sender due to the fact that the upgrade mechanism is not secured (is not protected with TLS).

Why this priority

High severity

A fixed release or distro patch exists.

Risk facts

CVSS score	8.8 (High)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.5% (top 59%)
CISA exploited list	No
Weakness	CWE-319
Published	2021-09-07
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: barco

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

Am I affected?

Timeline

2021-09-07 18:15 UTCPublished CVE record published
2026-06-17 04:01 UTCUpdated Record last modified

barco mirrorop windows sender UPGRADE

Affected: < 2.5.3.65

Fixed in: 2.5.3.65

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mirrorop-windows-sender || rpm -q mirrorop-windows-sender || mirrorop-windows-sender --version

2. UPGRADE to 2.5.3.65 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mirrorop-windows-sender

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mirrorop-windows-sender

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-2021-38142?

mirrorop windows sender: upgrade to 2.5.3.65. Exact commands for each OS are on this page.

Is CVE-2021-38142 being exploited?

CVE-2021-38142 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-2021-38142 affect?

CVE-2021-38142 affects mirrorop windows sender. Severity is high (CVSS 8.8). Barco MirrorOp Windows Sender before 2.5.3.65 uses cleartext HTTP and thus allows rogue software upgrades. An attacker on the local network can achieve remote code execution on any computer that tries to update Windows Sender due to the fac

How urgent is CVE-2021-38142?

Priority 41/100. High severity

Software pages

Windows vulnerabilities

Related CVEs

CVE-2021-35482 HIGH 7.8 UPGRADE An issue was discovered in Barco MirrorOp Windows Sender before 2.5.4.70

References

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