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CVE-2025-30175: A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions

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This month
HIGH 7.5REMOTEDOWNGRADEUPGRADEMITIGATE

CVE-2025-30175 is a high-severity flaw (CVSS 7.5) affecting simatic pcs neo, sinec nms, sinema remote connect. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V4.0), SINEMA Remote Connect (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions), Totally Integrated Automation Portal (TIA Portal) V20 (A

Why this priority

  • High severity
  • Remotely exploitable, no login, no user action

A fixed release or distro patch exists.

Risk facts

CVSS score7.5 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.7% (top 49%)
CISA exploited listNo
WeaknessCWE-787
Published2025-05-13
Last modified2026-06-17
Publisher (CNA): Siemens AG · Vendor: siemens

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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

siemens simatic pcs neo DOWNGRADE
Affected: 4.1 · 5.0
Fixed in: no fixed release known
Safe to downgrade to: a release before 4.1
1. Check installed version
apt-cache policy simatic-pcs-neo || rpm -q simatic-pcs-neo || simatic-pcs-neo --version
2. No fixed release: DOWNGRADE to a release before 4.1 (Debian / Ubuntu)
apt-cache madison simatic-pcs-neo sudo apt install simatic-pcs-neo=<VERSION_BEFORE_4.1> sudo apt-mark hold simatic-pcs-neo
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list simatic-pcs-neo sudo dnf downgrade simatic-pcs-neo-<VERSION_BEFORE_4.1> sudo dnf versionlock add simatic-pcs-neo
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.
siemens sinec nms UPGRADE
Affected: < 4.0
Fixed in: 4.0
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy sinec-nms || rpm -q sinec-nms || sinec-nms --version
2. UPGRADE to 4.0 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade sinec-nms
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade sinec-nms
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
siemens sinema remote connect MITIGATE
Affected: all versions
Fixed in: no fixed release known
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy sinema-remote-connect || rpm -q sinema-remote-connect || sinema-remote-connect --version
No fixed or unaffected release known
Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.
siemens totally integrated automation portal DOWNGRADE
Affected: 17 · 18 · 19 · 20
Fixed in: no fixed release known
Safe to downgrade to: a release before 17
1. Check installed version
apt-cache policy totally-integrated-automation-portal || rpm -q totally-integrated-automation-portal || totally-integrated-automation-portal --version
2. No fixed release: DOWNGRADE to a release before 17 (Debian / Ubuntu)
apt-cache madison totally-integrated-automation-portal sudo apt install totally-integrated-automation-portal=<VERSION_BEFORE_17> sudo apt-mark hold totally-integrated-automation-portal
2. No fixed release: DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list totally-integrated-automation-portal sudo dnf downgrade totally-integrated-automation-portal-<VERSION_BEFORE_17> sudo dnf versionlock add totally-integrated-automation-portal
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.
siemens user management component UPGRADE
Affected: < 2.15.1.1
Fixed in: 2.15.1.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy user-management-component || rpm -q user-management-component || user-management-component --version
2. UPGRADE to 2.15.1.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade user-management-component
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade user-management-component
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-2025-30175?

simatic pcs neo: downgrade or apply the listed mitigation; sinec nms: upgrade to 4.0; sinema remote connect: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2025-30175 being exploited?

CVE-2025-30175 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-2025-30175 affect?

CVE-2025-30175 affects simatic pcs neo, sinec nms, sinema remote connect. Severity is high (CVSS 7.5). A vulnerability has been identified in SIMATIC PCS neo V4.1 (All versions), SIMATIC PCS neo V5.0 (All versions), SINEC NMS (All versions < V4.0), SINEMA Remote Connect (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (A

How urgent is CVE-2025-30175?

Priority 44/100. High severity; Remotely exploitable, no login, no user action

Software pages

Siemens vulnerabilities

Related CVEs

References

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