Siemens SINUMERIK 828D PPU.4

CVE-2025-40743
HIGH 8.7

At a glance

Source
NVD
EPSS
EPSS 0.24 % · percentile 15 ()
State
PUBLISHED
Published
Updated
Assigner
siemens
NVD status
Deferred

Description

A vulnerability has been identified in SINUMERIK 828D PPU.4 (All versions < V4.95 SP5), SINUMERIK 828D PPU.5 (All versions < V5.25 SP1), SINUMERIK 840D sl (All versions < V4.95 SP5), SINUMERIK MC (All versions < V1.25 SP1), SINUMERIK MC V1.15 (All versions < V1.15 SP5), SINUMERIK ONE (All versions < V6.25 SP1), SINUMERIK ONE V6.15 (All versions < V6.15 SP5). The affected application improperly validates authentication for its VNC access service, allowing access with insufficient password verification. This could allow an attacker to gain unauthorized remote access and potentially compromise system confidentiality, integrity, or availability.

Weaknesses (CWE)

  • CWE-288 — Authentication Bypass Using an Alternate Path or Channel

References

Scores

VersionScoreVectorScored by
CVSS 3.1HIGH 8.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Lsiemens
CVSS 4.0HIGH 8.7CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/SC:N/SI:N/SA:Nsiemens
CVSS 4.0HIGH 8.7CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:L/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:XNVD · productcert@siemens.com (Secondary)
CVSS 3.1HIGH 8.3CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:LNVD · productcert@siemens.com (Secondary)

European references

Affected products

ProductVersions
Siemens · SINUMERIK 828D PPU.4affected 0 < V4.95 SP5
Siemens · SINUMERIK 828D PPU.5affected 0 < V5.25 SP1
Siemens · SINUMERIK 840D slaffected 0 < V4.95 SP5
Siemens · SINUMERIK MCaffected 0 < V1.25 SP1
Siemens · SINUMERIK MC V1.15affected 0 < V1.15 SP5
Siemens · SINUMERIK ONEaffected 0 < V6.25 SP1
Siemens · SINUMERIK ONE V6.15affected 0 < V6.15 SP5

Sources

SourceLicence
CVE List (CVEProject cvelistV5)CVE Program Terms of Use
EPSS (FIRST.org)FIRST — attribution requested
ENISA EUVDENISA — reproduction authorised, source acknowledged
NVD (NIST) via fkie-cad/nvd-json-data-feedsPublic domain — this product uses data from the NVD API but is not endorsed or certified by the NVD