CVE-2025-1501

mediumpriority · track · 0OT risk · elevatedEPSS 0.002 · 11 %ileDEEUUS
grimoire priorityP3 · Track
Exploitable?
—
no known exploitation
Likely / severe?
0.21% (11th) EPSS
CVSS 4.3 · medium
Is it mine?
6 products
Check your exposure
Who says so?
5 sources
cnnvd · enisa_euvd · cisa_csaf_ot · nozomi_psirt

EPSS · scored 2026-10-27

An access control vulnerability was discovered in the Request Trace and Download Trace functionalities of CMC before 25.1.0 due to a specific access restriction not being properly enforced for users with limited privileges. An authenticated user with limited privileges can request and download trace files due to improper access restrictions, potentially exposing unauthorized network data.

01

remediations

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

A vendor fix is available.

  • FixedCMCnozomi_psirt

    Upgrade to v25.1.0 or later.

  • FixedRUGGEDCOM APE1808siemens_psirt

    Upgrade Nozomi Guardian / CMC to V25.4.0. Using Web GUI might have errors and it is recommended to use the CLI for the upgrade. Contact customer support to receive patch and update information

  • FixedRUGGEDCOM APE1808cisa_csaf_ot

    Upgrade Nozomi Guardian / CMC to V25.4.0. Using Web GUI might have errors and it is recommended to use the CLI for the upgrade. Contact customer support to receive patch and update information

  • MitigationCMCnozomi_psirt

    Use internal firewall features to limit access to the web management interface.

  • MitigationRUGGEDCOM APE1808siemens_psirt

    Use internal firewall features to limit access to the web management interface. Refer upstream advisory for further information.

  • MitigationRUGGEDCOM APE1808cisa_csaf_ot

    Use internal firewall features to limit access to the web management interface. Refer upstream advisory for further information.

02

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 · prodsec@nozominetworks.comexploitability 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 · CISA US
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · Siemens ProductCERT DE
v3.14.3mediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:Nsecondary · Nozomi Networks PSIRT
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 · prodsec@nozominetworks.com
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)
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-863USCWE-863USCWE-863USCWE-863US
05

affected products (6)

Products and version ranges known to be affected.

06

advisories (3)

Vendor and ecosystem advisories describing this.

  • NN-2025:3-01Incorrect authorization for traces request/download in CMC before 25.1.02025-08-26csaf · nozomi_psirtUS
  • SSA-978177SSA-978177: Vulnerability in Nozomi Guardian/CMC Before 25.4.0 on RUGGEDCOM APE1808 Devices2025-08-12csaf · siemens_psirtDE

    Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.

  • ICSA-25-226-09Siemens RUGGEDCOM APE18082025-08-12icsa · cisa_csaf_otUS

    Nozomi Networks has published information on vulnerabilities in Nozomi Guardian/CMC. This advisory lists the related Siemens Industrial products affected by these vulnerabilities. Siemens has released a new version for RUGGEDCOM APE1808 and recommends to update to the latest version.

07

also known as (3)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

cnnvdenisa_euvdcisa_csaf_otnozomi_psirtsiemens_psirtNVDCVE.orgMITRE
published 2025-08-26modified 2026-06-17
09

references (5)

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