What is the CVSS score of CVE-2020-15798?

CVE-2020-15798 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 1.7%.

Is there a patch available for CVE-2020-15798?

Yes, a patch is available for CVE-2020-15798. Update the affected software to the latest version immediately.

Simatic Hmi Comfort Panels Firmware CVE-2020-15798

CRITICAL

Missing Authentication for Critical Function (CWE-306)

2021-02-09 productcert@siemens.com

Authentication Bypass Simatic Hmi Comfort Panels Firmware Simatic Hmi Ktp Mobile Panels Firmware Sinamics Gh150 Firmware Sinamics Gl150 Firmware Sinamics Gm150 Firmware Sinamics Sh150 Firmware Sinamics Sl150 Firmware Sinamics Sm150 Firmware Sinamics Sm120 Firmware Sinamics Sm150I Firmware

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

CVE Published

Feb 09, 2021 - 17:15 cve.org

CRITICAL 9.8

DescriptionCVE.org

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)

AnalysisAI

A vulnerability has been identified in SIMATIC HMI Comfort Panels (incl. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. This Missing Authentication for Critical Function vulnerability could allow attackers to access critical functionality without authentication.

Technical ContextAI

This vulnerability is classified as Missing Authentication for Critical Function (CWE-306), which allows attackers to access critical functionality without authentication. 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) Affected products include: Siemens Simatic Hmi Comfort Panels Firmware, Siemens Simatic Hmi Ktp Mobile Panels Firmware, Siemens Sinamics Gh150 Firmware, Siemens Sinamics Gl150 Firmware, Siemens Sinamics Gm150 Firmware.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Require authentication for all sensitive operations, implement defense in depth.