CVE-2026-27661

mediumpriority · track · 0EPSS 0.003 · 19 %ileDEEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.27% (19th) EPSS

CVSS 4.3 · medium

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cisa_csaf_ot · nvd

EPSS · scored 2026-10-26

A vulnerability has been identified in SINEC Security Monitor (All versions < V4.9.0). The affected application leaks confidential information in metadata, and files such as information on contributors and email address, on `SSM Server`.

remediations

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

A vendor fix is available.

FixedSINEC Security Monitorsiemens_psirt
Update to V4.9.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109975096/
FixedSINEC Security Monitorcisa_csaf_ot
Update to V4.9.0 or later version
https://support.industry.siemens.com/cs/ww/en/view/109975096/

cvss

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

5.3

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 1.3–5.3

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · CISA US

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · productcert@siemens.com DEexploitability 2.8 · impact 1.4

v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · Siemens ProductCERT DE

v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:Nsecondary · ENISA EU

v4.05.3mediumCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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

v4.01.3lowCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/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)

ssvc

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

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-1230USCWE-1230USCWE-1230US

affected products (5)

Products and version ranges known to be affected.

SINEC Security Monitorall versionscisa_csaf_otUS
Siemens SINEC Security Monitor≤ vers:intdot/<4.9.0cisa_csaf_otUS
Siemens SINEC Security Monitor0 → V4.9.0enisa_euvdEU
siemens sinec security monitor< 4.9.0nvdUScpe:2.3:a:siemens:sinec_security_monitor:*:*:*:*:*:*:*:*
Siemens SINEC Security Monitor≤ vers:intdot/<4.9.0siemens_psirtDE

advisories (2)

Vendor and ecosystem advisories describing this.

SSA-430425SSA-430425: Multiple Vulnerabilities in SINEC Security Monitor before V4.9.02024-10-08csaf · siemens_psirtDE
SINEC Security Monitor before V4.9.0 contains multiple vulnerabilities. Siemens has released a new version for SINEC Security Monitor and recommends to update to the latest version.
ICSA-24-284-06Siemens SINEC Security Monitor2024-10-08icsa · cisa_csaf_otUS
SINEC Security Monitor before V4.9.0 contains multiple vulnerabilities. Siemens has released a new version for SINEC Security Monitor and recommends to update to the latest version.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cisa_csaf_ot nvd siemens_psirt NVD CVE.org MITRE

published 2026-03-10modified 2026-06-17

references (4)

External citations — patches, advisories, analysis.

scry

Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.

Free scan