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CVE-2019-6548: GE Communicator, all versions prior to 4.0.517, contains two backdoor accounts with hardcoded credentials, whi

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CRITICAL 9.8REMOTEUPGRADE

CVE-2019-6548 is a critical-severity flaw (CVSS 9.8) affecting ge communicator. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

GE Communicator, all versions prior to 4.0.517, contains two backdoor accounts with hardcoded credentials, which may allow control over the database. This service is inaccessible to attackers if Windows default firewall settings are used by the end user.

Why this priority

  • Critical severity
  • 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 chance1.3% (top 30%)
CISA exploited listNo
WeaknessCWE-798
Published2019-05-09
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: ge

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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

ge ge communicator UPGRADE
Affected: < 4.0.517
Fixed in: 4.0.517
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy ge-communicator || rpm -q ge-communicator || ge-communicator --version
2. UPGRADE to 4.0.517 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade ge-communicator
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade ge-communicator
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-2019-6548?

ge communicator: upgrade to 4.0.517. Exact commands for each OS are on this page.

Is CVE-2019-6548 being exploited?

CVE-2019-6548 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-2019-6548 affect?

CVE-2019-6548 affects ge communicator. Severity is critical (CVSS 9.8). GE Communicator, all versions prior to 4.0.517, contains two backdoor accounts with hardcoded credentials, which may allow control over the database. This service is inaccessible to attackers if Windows default firewall settings are used by

How urgent is CVE-2019-6548?

Priority 57/100. Critical severity; Remotely exploitable, no login, no user action

Software pages

Windows vulnerabilities

Related CVEs

References

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