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CVE-2019-12971: BKS EBK Ethernet-Buskoppler Pro before 3.01 allows Unrestricted Upload of a File with a Dangerous Type.

65
This week
CRITICAL 9.8REMOTEUPGRADE

CVE-2019-12971 is a critical-severity flaw (CVSS 9.8) affecting bks ebk ethernet-buskoppler pro firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

BKS EBK Ethernet-Buskoppler Pro before 3.01 allows Unrestricted Upload of a File with a Dangerous Type.

Why this priority

  • Critical severity
  • Public exploit reference
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score9.8 (Critical)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance2.2% (top 18%)
CISA exploited listNo
WeaknessCWE-434
Published2019-07-05
Last modified2026-06-17
Publisher (CNA): MITRE · Vendor: g-u

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

Am I affected?

Timeline

g-u bks ebk ethernet-buskoppler pro firmware UPGRADE
Affected: < 3.01
Fixed in: 3.01
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
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-2019-12971?

bks ebk ethernet-buskoppler pro firmware: upgrade to 3.01. Exact commands for each OS are on this page.

Is CVE-2019-12971 being exploited?

CVE-2019-12971 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-2019-12971 affect?

CVE-2019-12971 affects bks ebk ethernet-buskoppler pro firmware. Severity is critical (CVSS 9.8). BKS EBK Ethernet-Buskoppler Pro before 3.01 allows Unrestricted Upload of a File with a Dangerous Type.

How urgent is CVE-2019-12971?

Priority 65/100. Critical severity; Public exploit reference; Remotely exploitable, no login, no user action

References

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