CVE-2023-30459: SmartPTT SCADA 1.1.0.0 allows remote code execution (when the attacker has administrator privileges) by writin

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HIGH 7.2DOWNGRADE

CVE-2023-30459 is a high-severity flaw (CVSS 7.2) affecting smartptt scada. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

SmartPTT SCADA 1.1.0.0 allows remote code execution (when the attacker has administrator privileges) by writing a malicious C# script and executing it on the server (via server settings in the administrator control panel on port 8101, by default).

Why this priority

High severity
Public exploit reference

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	7.2 (High)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	High
User interaction	None
EPSS exploit chance	2.1% (top 18%)
CISA exploited list	No
Published	2023-04-14
Last modified	2026-06-17

Publisher (CNA): MITRE · Vendor: smartptt

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

Am I affected?

Timeline

2023-04-14 15:15 UTCPublished CVE record published
2026-06-17 05:54 UTCUpdated Record last modified

smartptt smartptt scada DOWNGRADE

Affected: 1.1

Fixed in: no fixed release known

Safe to downgrade to: a release before 1.1

1. Check installed version

apt-cache policy smartptt-scada || rpm -q smartptt-scada || smartptt-scada --version

2. No fixed release: DOWNGRADE to a release before 1.1 (Debian / Ubuntu)

apt-cache madison smartptt-scada sudo apt install smartptt-scada=<VERSION_BEFORE_1.1> sudo apt-mark hold smartptt-scada

2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)

dnf --showduplicates list smartptt-scada sudo dnf downgrade smartptt-scada-<VERSION_BEFORE_1.1> sudo dnf versionlock add smartptt-scada

Downgrade risk

Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.

After downgrade

Restart the service, and keep the package held until a fixed release ships.

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-2023-30459?

smartptt scada: downgrade or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-30459 being exploited?

CVE-2023-30459 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-2023-30459 affect?

CVE-2023-30459 affects smartptt scada. Severity is high (CVSS 7.2). SmartPTT SCADA 1.1.0.0 allows remote code execution (when the attacker has administrator privileges) by writing a malicious C# script and executing it on the server (via server settings in the administrator control panel on port 8101, by de

How urgent is CVE-2023-30459?

Priority 51/100. High severity; Public exploit reference

References

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