CVE-2023-27465: A vulnerability has been identified in SIMOTION C240 (All versions >= V5.4 < V5.5 SP1), SIMOTION C240 PN (All MEDIUM 4.6 UPGRADE UPGRADE UPGRADE
CVE-2023-27465 is a medium-severity flaw (CVSS 4.6) affecting simotion d425-2 dp firmware, simotion d425-2 dp\/pn firmware, simotion d435-2 dp firmware. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
A vulnerability has been identified in SIMOTION C240 (All versions >= V5.4 < V5.5 SP1), SIMOTION C240 PN (All versions >= V5.4 < V5.5 SP1), SIMOTION D410-2 DP (All versions >= V5.4 < V5.5 SP1), SIMOTION D410-2 DP/PN (All versions >= V5.4 < V5.5 SP1), SIMOTION D425-2 DP (All versions >= V5.4 < V5.5 SP1), SIMOTION D425-2 DP/PN (All versions >= V5.4 < V5.5 SP1), SIMOTION D435-2 DP (All versions >= V5.4 < V5.5 SP1), SIMOTION D435-2 DP/PN (All version
Why this priority No elevated risk signals yet A fixed release or distro patch exists.
Risk facts CVSS score 4.6 (Medium) Attack vector Physical Attack complexity Low Privileges needed None User interaction None EPSS exploit chance 0.3% (top 81%) CISA exploited list No Weakness CWE-213 , CWE-200 Published 2023-06-13 Last modified 2026-10-24
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Last updated 2026-10-24 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Timeline 2023-06-13 09:15 UTC Published CVE record published2026-10-24 13:10 UTC Updated Record last modifiedsiemens simotion d425-2 dp firmware UPGRADE
Affected: >= 5.4 and < 5.5 · 5.5
Fixed in: 5.5
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
siemens simotion d425-2 dp\/pn firmware UPGRADE
Affected: >= 5.4 and < 5.5 · 5.5
Fixed in: 5.5
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
siemens simotion d435-2 dp firmware UPGRADE
Affected: >= 5.4 and < 5.5 · 5.5
Fixed in: 5.5
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
siemens simotion d435-2 dp\/pn firmware UPGRADE
Affected: >= 5.4 and < 5.5 · 5.5
Fixed in: 5.5
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
siemens simotion d445-2 dp\/pn \(0aa1\) firmware UPGRADE
Affected: >= 5.4 and < 5.5 · 5.5
Fixed in: 5.5
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
siemens simotion d445-2 dp\/pn \(0aa0\) firmware MITIGATE
Affected: 5.4
Fixed in: no fixed release known
Safe to downgrade to: a release before 5.4
Check your OS release
Copy cat /etc/os-release; uname -r
Debian / Ubuntu
Copy sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
Copy sudo dnf upgrade --refresh
Windows
Copy Install the latest cumulative update from Windows Update
If no patch exists yet
Copy 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-2023-27465? simotion d425-2 dp firmware: upgrade to 5.5; simotion d425-2 dp\/pn firmware: upgrade to 5.5; simotion d435-2 dp firmware: upgrade to 5.5. Exact commands for each OS are on this page.
Is CVE-2023-27465 being exploited? CVE-2023-27465 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-2023-27465 affect? CVE-2023-27465 affects simotion d425-2 dp firmware, simotion d425-2 dp\/pn firmware, simotion d435-2 dp firmware. Severity is medium (CVSS 4.6). A vulnerability has been identified in SIMOTION C240 (All versions >= V5.4 < V5.5 SP1), SIMOTION C240 PN (All versions >= V5.4 < V5.5 SP1), SIMOTION D410-2 DP (All versions >= V5.4 < V5.5 SP1), SIMOTION D410-2 DP/PN (All versions >= V5.4 <
How urgent is CVE-2023-27465? Priority 21/100. No elevated risk signals yet.
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