A vulnerability has been identified in SIMATIC PCS neo (Administration Console) V4.0 (All versions), SIMATIC PCS neo (Administration Consol…

published 2023-09-14 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-42357

cvss: 5.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 7%
public exploits: 0; none known

A vulnerability has been identified in SIMATIC PCS neo (Administration Console) V4.0 (All versions), SIMATIC PCS neo (Administration Console) V4.0 Update 1 (All versions). The affected application leaks Windows admin credentials. An attacker with local access to the Administration Console could get the credentials, and impersonate the admin user, thereby gaining admin access to other Windows systems.

Patch / fix

links 1

cert-portal.siemens.com/productcert/pdf/ssa-646240.pdf advisory

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-23-262-01 updated 2023-09-14 cvss 5.5

Siemens SIMATIC PCS neo Administration Console

Siemens SIMATIC PCS neo (Administration Console) V4.0 Siemens SIMATIC PCS neo (Administration Console) V4.0 Update 1
affected: vendor fix, mitigation

Facts from CISA's republication of the vendor's own advisory (CSAF); the linked advisory is the authoritative source. CISA notification · csaf

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 20 mo ago (2025-02-26)

Exploit prediction

0.18% chance of exploitation in the next 30 days, higher than 7% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C
CNA	3.1	5.5	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

Siemens SIMATIC PCS neo (Administration Console) V4.0
Siemens SIMATIC PCS neo (Administration Console) V4.0 Update 1

Classification

Weakness

CWE-538 Insertion of Sensitive Information into Externally-Accessible File or Directory
CWE-668 Exposure of Resource to Wrong Sphere

References

cert-portal.siemens.com /productcert/pdf/ssa-646240.pdf
patch, vendor-advisory

Sources

CVE List CVE-2023-38558
NVD CVE-2023-38558

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary