CVE-2026-85115

mediumpriority · track · 22EPSS 0.002 · 4 %ileDEFRNLUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.15% (4th) EPSS
CVSS 5.5 · medium
Is it mine?
238 products
Check your exposure
Who says so?
4 sources
cisa_csaf_ot · ncsc_nl · siemens_psirt · certfr

EPSS · scored 2026-10-22

A vulnerability has been identified in .NET Client Library for SIMATIC S7 Webserver API (All versions < V3.3.62). Affected applications do not properly redact PLC restore passwords from HTTP error exception messages. This could allow an attacker with access to logs or other diagnostic output to obtain the plaintext restore password and potentially perform unauthorized operations on the PLC.

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

02

cvss

Technical severity, 0–10. One row per scoring source.

6.8
010

base score 0–10 · higher = more severe · hover a vector to decode

v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nprimary · productcert@siemens.com DEexploitability 1.8 · impact 3.6
v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · CISA US
v3.15.5mediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:Nsecondary · Siemens ProductCERT DE
v4.06.8mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · productcert@siemens.com DE
v4.04.3mediumCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:Xsecondary · CVSS-BT (t0sche)
03

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS
04

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-209USCWE-209USCWE-209US
05

affected products (238)

Products and version ranges known to be affected.

showing 20 of 238
06

advisories (4)

Vendor and ecosystem advisories describing this.

  • NCSC-2026-0415Kwetsbaarheden verholpen in Siemens-productenNL2026-10-13csaf · ncsc_nlNL

    Siemens heeft kwetsbaarheden verholpen in diverse producten zoals Desigo, Industrial Plus, RUGGEDCOM, SIMATIC en SIPLUS.

  • SSA-390352SSA-390352: Multiple Vulnerabilities in .NET Client Library for SIMATIC S7 Webserver API2026-10-13csaf · siemens_psirtDE

    .NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory. Siemens has released a new version for .NET Client Library for SIMATIC S7 Webserver API and recommends to update to the latest version.

  • ICSA-26-295-10Siemens SIMATIC S7 Webserver API2026-10-13icsa · cisa_csaf_otUS

    .NET Client Library for SIMATIC S7 Webserver API contains multiple vulnerabilities that could allow an attacker to obtain sensitive information or write arbitrary files outside the intended download directory. Siemens has released a new version for .NET Client Library for SIMATIC S7 Webserver API and recommends to update to the latest version.

  • CERTFR-2026-AVI-1298Multiples vulnérabilités dans les produits SiemensFrançais2026-10-13vendor · certfrFR
07

sources

Which sources assert this record, and when.

cisa_csaf_otncsc_nlsiemens_psirtcertfrNVDCVE.orgMITRE
published 2026-10-13modified 2026-10-15
08

references (1) nvd

External citations — patches, advisories, analysis.

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