CVE Vulnerability

CVE-2021-27385

A vulnerability has been identified in SIMATIC HMI Comfort Outdoor Panels V15 7" & 15" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Outdoor Panels V16 7" & 15" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI Comfort Panels V15 4" - 22" (incl. SIPLUS variants) (All versions < V15.1 Update 6), SIMATIC HMI Comfort Panels V16 4" - 22" (incl. SIPLUS variants) (All versions < V16 Update 4), SIMATIC HMI KTP Mobile Panels V15 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V15.1 Update 6), SIMATIC HMI KTP Mobile Panels V16 KTP400F, KTP700, KTP700F, KTP900 and KTP900F (All versions < V16 Update 4), SIMATIC WinCC Runtime Advanced V15 (All versions < V15.1 Update 6), SIMATIC WinCC Runtime Advanced V16 (All versions < V16 Update 4), 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). A remote attacker could send specially crafted packets to SmartVNC device layout handler on client side, which could influence the amount of resources consumed and result in a Denial-of-Service (infinite loop) condition.

5 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 10 / Impact : 2.9

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

Scope

7.5 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 3.9 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://cert-portal.siemens.com/productcert/pdf/ssa-538778.pdf Vendor Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-286838.pdf Vendor Advisory
https://us-cert.cisa.gov/ics/advisories/icsa-21-131-12 Third Party Advisory US Government Resource
Configurations

Configuration 1

cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:update3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:16:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update1:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update2:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update3:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:*:*:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:-:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update4:*:*:*:*:*:*
cpe:2.3:a:siemens:simatic_wincc_runtime_advanced:15.1:update5:*:*:*:*:*:*
Information

Published : 2021-05-12 02:15

Updated : 2022-10-25 07:56

NVD link : CVE-2021-27385

Mitre link : CVE-2021-27385

Products Affected

Siemens

Simatic Hmi Ktp Mobile Panels Ktp900f Firmware

CWE
CWE-835