CVE-2023-25910Network attack vector

Elevated code execution via embedded database functions

Published Jun 13, 2023 · Updated Aug 2, 2024

Code injection in affected Siemens SIMATIC PCS 7, S7-PM, and STEP 7 V5 releases allows remote attackers to execute elevated server code. The database management system permits remote invocation of embedded functions located locally or on a network share and executes them in the server context. Network access to port 2638/tcp reaches the affected releases; successful execution gains elevated privileges on the database server.

CVSS severity10.0
Critical
EPSS probability1.00%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Code injection in affected Siemens SIMATIC PCS 7, S7-PM, and STEP 7 V5 releases allows remote attackers to execute elevated server code. The database management system permits remote invocation of embedded functions located locally or on a network share and executes them in the server context. Network access to port 2638/tcp reaches the affected releases; successful execution gains elevated privileges on the database server.

The record

CVE
CVE-2023-25910
Published
Jun 13, 2023
Updated
Aug 2, 2024
Vendor
Siemens
Product
SIMATIC STEP 7
Classifications
CWE-94, T1210
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 13, 2023CVE publishedPublication date reported by the CVE source.
  2. Aug 2, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <V5.7

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Siemens · SIMATIC STEP 7version=0 <V5.7
Siemens · SIMATIC S7-PMversion=0 <V5.7 SP1 HF1; version=0 <V5.7 SP2 HF1
Siemens · SIMATIC PCS 7version=0 <V9.1 SP2 UC04

Published CVSS scores

10.0Siemens ProductCERTCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
8.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-94Improper Control of Generation of Code ('Code Injection')
T1210Exploitation of Remote Services

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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