Medium Info disclosure

CVE-2023-27465 — A vulnerability has been identified in SIMOTION C240 (All versions >= V5.4 < V5.5 SP1), SIMOTION...

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 versions >= V5.4 < V5.5 SP1), SIMOTION D445-2 DP/PN (All versions >= V5.4), SIMOTION D445-2 DP/PN (All versions >= V5.4 < V5.5 SP1), SIMOTION D455-2 DP/PN (All versions >= V5.4 < V5.5 SP1), SIMOTION P320-4 E (All versions >= V5.4), SIMOTION P320-4 S (All versions >= V5.4). When operated with Security Level Low the device does not protect access to certain services relevant for debugging. This could allow an unauthenticated attacker to extract confidential technology object (TO) configuration from the device.

Published Jun 13, 2023 · Updated Oct 24, 2026 · Sources: NIST National Vulnerability Database, CVE Program (cve.org) e CISA ADP, GitHub Security Advisories · CNA: siemens

Low

Who exploits it and how urgent it is

A 0–100 score combining confirmed exploitation, ransomware and APT use, public exploits, EPSS and severity.

No exploitation signal in the sources consulted so far.

How the score was calculated

EPSS 0.3% (30-day exploitation probability)+3
Technical severity (medium)+3

The score orders the patch queue; it does not replace your asset context (internet exposure, criticality, compensating controls).

Triage

Is it exploited, how likely is exploitation, what does it touch, and how severe do the sources call it.

Exploitation

Not confirmed

Not in CISA KEV — an absence of record, not proof it is unexploited.

EPSS FIRST

0.28%

ahead of 20% of scored CVEs · Oct 25, 2026

Affects

Siemens

SIMOTION C240 and 24 more

CVSS base

4.6

Medium · 4 source(s)

Remediation

Fixes and mitigations documented by the sources — linked to the original advisory.

Documented patch — cert-portal.siemens.com (NIST National Vulnerability Database)

First 24 hours

Ordered from the record’s own fields — exposure first, because you cannot patch what you have not found. A rule-generated starting point.

Identify exposed assets running the affected vendor/product/version combinations (Siemens SIMOTION C240, Siemens Simotion C240 Firmware, Siemens SIMOTION C240 PN…).
Apply the fixed version or the patch documented under Remediation.
Search available logs for exploit probes matching the vulnerability class (info disclosure), errors and authentication anomalies.

Affected scope

Vendor, product and versions as the sources word them.

Vendor	Product	Versions	Status	Source
Siemens	SIMOTION C240	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion C240 Firmware	version 5.5≥ 5.4 and < 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION C240 PN	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion C240 Pn Firmware	version 5.5≥ 5.4 and < 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D410-2 DP	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D410-2 Dp Firmware	version 5.5≥ 5.4 and < 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D410-2 DP/PN	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D410-2 Dp/pn Firmware	version 5.5≥ 5.4 and < 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D425-2 DP	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D425-2 Dp Firmware	≥ 5.4 and < 5.5version 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D425-2 DP/PN	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D425-2 Dp/pn Firmware	≥ 5.4 and < 5.5version 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D435-2 DP	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D435-2 Dp Firmware	≥ 5.4 and < 5.5version 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D435-2 DP/PN	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D435-2 Dp/pn Firmware	≥ 5.4 and < 5.5version 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D445-2 DP/PN	version All versions >= V5.4version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D445-2 Dp/pn (0aa0) Firmware	version 5.4	Vulnerable	NIST National Vulnerability Database
Siemens	Simotion D445-2 Dp/pn (0aa1) Firmware	≥ 5.4 and < 5.5version 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION D455-2 DP/PN	version All versions >= V5.4 < V5.5 SP1	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion D455-2 Dp/pn Firmware	version 5.5≥ 5.4 and < 5.5	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION P320-4 E	version All versions >= V5.4	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion P320-4 E Firmware	version 5.4	Vulnerable	NIST National Vulnerability Database
Siemens	SIMOTION P320-4 S	version All versions >= V5.4	Vulnerable	CVE Program (cve.org) e CISA ADP
Siemens	Simotion P320-4 S Firmware	version 5.4	Vulnerable	NIST National Vulnerability Database

Attack characteristics

The CVSS vector, decoded. It describes the attack, not your exposure to it.

Attack vector

Physical

Attack complexity

Low

Privileges required

None

User interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

None

Availability

None

Every base score collected

Sources score independently and may disagree; each row says who scored it and under which version.

Score	Version	Severity	Expl.	Impact	Scored by
4.6	CVSS 3.1	Medium	0.9	3.6	productcert@siemens.com via NIST National Vulnerability Database
4.6	CVSS 3.1	Medium	0.9	3.6	nvd@nist.gov via NIST National Vulnerability Database
4.6	CVSS 3.1	Medium	—	—	GitHub, Inc. via GitHub Security Advisories
4.6	CVSS 3.1	Medium	—	—	siemens via CVE Program (cve.org) e CISA ADP

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N (score shown at the top: nvd@nist.gov)

Weakness MITRE

Weakness class according to MITRE’s CWE catalog.

CWE-200 · Exposure of Sensitive Information

Other CVEs with this weakness →

EPSS over time FIRST

Oct 23, 2026 → Oct 25, 2026 · 3 reading(s) · max 0.28%

Detection

Read off the CVSS vector and the weakness class. Starting points, not tested rules.

Local/physical vector: focus on endpoint telemetry (EDR) from affected hosts.
Look for anomalous data read/export volumes and access to sensitive records.

endpoint telemetry (EDR)application logsauthentication logs

Timeline

What happened to this CVE, newest first.

2026
Affected products added · siemens/simotion c240, siemens/simotion c240 pn, siemens/simotion d410-2 dp, siemens/simotion d410-2 dp/pn, siemens/simo
Oct 24, 2026 · CVE Program (cve.org) e CISA ADP
Record published
Oct 24, 2026
Fix documented
Oct 24, 2026 · NIST National Vulnerability Database
Affected products added · siemens/simotion d425-2 dp firmware, siemens/simotion d425-2 dp/pn firmware, siemens/simotion d435-2 dp firmware, siemen
Oct 24, 2026 · NIST National Vulnerability Database
CVSS changed · 4.6
Oct 24, 2026 · NIST National Vulnerability Database
Source status changed · → Modified
Oct 24, 2026 · NIST National Vulnerability Database
Record created in this database
Oct 24, 2026 · Alertas do Telegram
2023
CVE published
Jun 13, 2023 · siemens

Source activity

Repeated readings are counted rather than listed.

2× References added · Oct 24, 2026 – Oct 24, 2026
1× Official description updated · Oct 24, 2026 – Oct 24, 2026

References

3 on the record

cert-portal.siemens.com/productcert/pdf/ssa-482956.pdf
Patch, Vendor Advisory, NIST National Vulnerability Database
nvd.nist.gov/vuln/detail/CVE-2023-27465
GitHub Security Advisories
github.com/advisories/GHSA-8prj-xxc7-gmj9
GitHub Security Advisories

Elsewhere on this site

Siemens
every CVE for this vendor

Info disclosure
same class

CWE-200
other pages naming this weakness

Related CVEs (same products)

Critical CVE-2017-5689 Intel Active Management Technology (AMT), Small Business Technology (SBT), and Standard Manageability Privilege Escalation Vulnerability KEV May 2, 2017

Not in any source we poll

Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.

No CISA SSVC assessment.
No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
No exploit packet captures, log samples, or incident case IDs supplied.

Answered from this record

Text assembled only from the fields above — no additional claims.

What should defenders know first?

CVE-2023-27465 is "A vulnerability has been identified in SIMOTION C240 (All versions >= V5.4 < V5.5 SP1), SIMOTION...", rated Medium. It affects SIMOTION C240 (Siemens); versions are in the scope table. It is not in CISA KEV, which does not rule out exploitation. CVSS 4.6 describes technical severity. EPSS 0.28% estimates the probability of exploitation in 30 days; neither replaces your asset context. First verify whether exposed or business-critical assets run the affected versions, apply vendor fixes or mitigations, and preserve logs for review.

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