Home/CVE/The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP s
CVE

CVE-2022-25622

The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP s

The PROFINET (PNIO) stack, when integrated with the Interniche IP stack, improperly handles internal resources for TCP segments where the minimum TCP-Header length is less than defined. This could allow an attacker to create a denial of service condition for TCP services on affected devices by sending specially crafted TCP segments.

MEDIUM · CVSS 5.3 EPSS 0.00145
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-400Uncontrolled Resource Consumption
CWE-400Uncontrolled Resource Consumption
▤

Affected Products & Versions

12
siemens simatic cfu diq firmwareall versions
siemens simatic cfu pa firmwareall versions
siemens simatic s7-300 cpu firmwareall versions
siemens simatic s7-400h v6 firmwareall versions
siemens simatic s7-400 pn\/dp v7 firmwareall versions
siemens simatic s7-410 v8 firmwareall versions
siemens simatic s7-410 v10 firmwareall versions
siemens simatic s7-1500 cpu firmware< 2.0.0
▣

Scoring & Timeline

5.3
MEDIUM · CVSS v3.1 · productcert@siemens.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Apr 2022 · 09:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
⚑

Vendor Advisories

2
siemens-csafSSA-446448
cisa-csafcisa-csaf-csaf_files-OT-white-2022-icsa-22-104-06
🔗

References & Sources

2
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://cert-portal.siemens.com/productcert/html/ssa-446448.html
https://cert-portal.siemens.com/productcert/pdf/ssa-446448.pdfVendor Advisory
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