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CVE-2023-0755: The affected products are vulnerable to an improper validation of array index, which could allow an attacker

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CRITICAL 9.8REMOTEUPGRADEUPGRADEUPGRADE

CVE-2023-0755 is a critical-severity flaw (CVSS 9.8) affecting digital industrial gateway server, kepware server, kepware serverex. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

The affected products are vulnerable to an improper validation of array index, which could allow an attacker to crash the server and remotely execute arbitrary code.

Why this priority

  • Critical severity
  • EPSS top 4%: very likely to be exploited
  • 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 chance11.8% (top 4%)
CISA exploited listNo
WeaknessCWE-129
Published2023-02-23
Last modified2026-06-17
Publisher (CNA): ICS-CERT · Vendor: ge · ptc

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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 digital industrial gateway server UPGRADE
Affected: <= 7.612
Fixed in: newer than 7.612
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy digital-industrial-gateway-server || rpm -q digital-industrial-gateway-server || digital-industrial-gateway-server --version
2. UPGRADE to newer than 7.612 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade digital-industrial-gateway-server
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade digital-industrial-gateway-server
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
ptc kepware server UPGRADE
Affected: <= 6.12
Fixed in: newer than 6.12
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy kepware-server || rpm -q kepware-server || kepware-server --version
2. UPGRADE to newer than 6.12 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade kepware-server
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade kepware-server
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
ptc kepware serverex UPGRADE
Affected: <= 6.12
Fixed in: newer than 6.12
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy kepware-serverex || rpm -q kepware-serverex || kepware-serverex --version
2. UPGRADE to newer than 6.12 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade kepware-serverex
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade kepware-serverex
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
ptc thingworx .net-sdk UPGRADE
Affected: <= 5.8.4.971
Fixed in: newer than 5.8.4.971
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy thingworx-.net-sdk || rpm -q thingworx-.net-sdk || thingworx-.net-sdk --version
2. UPGRADE to newer than 5.8.4.971 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade thingworx-.net-sdk
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade thingworx-.net-sdk
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
ptc thingworx edge c-sdk UPGRADE
Affected: <= 2.2.12.1052
Fixed in: newer than 2.2.12.1052
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy thingworx-edge-c-sdk || rpm -q thingworx-edge-c-sdk || thingworx-edge-c-sdk --version
2. UPGRADE to newer than 2.2.12.1052 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade thingworx-edge-c-sdk
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade thingworx-edge-c-sdk
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
ptc thingworx edge microserver UPGRADE
Affected: <= 5.4.10.0
Fixed in: newer than 5.4.10.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy thingworx-edge-microserver || rpm -q thingworx-edge-microserver || thingworx-edge-microserver --version
2. UPGRADE to newer than 5.4.10.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade thingworx-edge-microserver
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade thingworx-edge-microserver
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-2023-0755?

digital industrial gateway server: upgrade to newer than 7.612; kepware server: upgrade to newer than 6.12; kepware serverex: upgrade to newer than 6.12. Exact commands for each OS are on this page.

Is CVE-2023-0755 being exploited?

CVE-2023-0755 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-2023-0755 affect?

CVE-2023-0755 affects digital industrial gateway server, kepware server, kepware serverex. Severity is critical (CVSS 9.8). The affected products are vulnerable to an improper validation of array index, which could allow an attacker to crash the server and remotely execute arbitrary code.

How urgent is CVE-2023-0755?

Priority 63/100. Critical severity; EPSS top 4%: very likely to be exploited; Remotely exploitable, no login, no user action

Related CVEs

References

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