Home/CVE/A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update 3a)
CVE

CVE-2020-15798

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update 3a)

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions < V16 Update 3a), SIMATIC HMI KTP Mobile Panels (All versions < V16 Update 3a), SINAMICS GH150 (All versions), SINAMICS GL150 (with option X30) (All versions), SINAMICS GM150 (with option X30) (All versions), SINAMICS SH150 (All versions), SINAMICS SL150 (All versions), SINAMICS SM120 (All versions), SINAMICS SM150 (All versions), SINAMICS SM150i (All versions). Affected devices with enabled telnet service do not require authentication for this service.

This could allow a remote attacker to gain full access to the device. (ZDI-CAN-12046)

CRITICAL · CVSS 9.8 EPSS 0.01669
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-306Missing Authentication for Critical Function
CWE-306Missing Authentication for Critical Function
▤

Affected Products & Versions

12
siemens simatic hmi comfort panels firmware< 16.0
siemens simatic hmi comfort panels firmwareall versions
siemens simatic hmi ktp mobile panels firmware< 16.0
siemens simatic hmi ktp mobile panels firmwareall versions
siemens sinamics gh150 firmwareall versions
siemens sinamics gl150 firmwareall versions
siemens sinamics gm150 firmwareall versions
siemens sinamics sh150 firmwareall versions
▣

Scoring & Timeline

9.8
CRITICAL · 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 NVD09 Feb 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
⚑

Vendor Advisories

3
siemens-csafSSA-752103
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-033-02
cisa-csafcisa-csaf-csaf_files-OT-white-2021-icsa-21-131-13
🔗

References & Sources

3
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/pdf/ssa-520004.pdfVendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdfPatchVendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-033-02Third Party AdvisoryUS Government Resource
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