CVE-2020-15798 Information

Description

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)

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Reference

https://cert-portal.siemens.com/productcert/pdf/ssa-520004.pdf https://us-cert.cisa.gov/ics/advisories/icsa-21-033-02 https://cert-portal.siemens.com/productcert/pdf/ssa-752103.pdf

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

HIGH

Base Score

HIGH

Base Severity

9.8