CVE Vulnerability

CVE-2021-25661

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). SmartVNC has an out-of-bounds memory access vulnerability that could be triggered on the client side when sending data from the server, which could result in a Denial-of-Service 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://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 : 2021-12-16 06:26

NVD link : CVE-2021-25661

Mitre link : CVE-2021-25661

Products Affected

Siemens

Simatic Hmi Ktp Mobile Panels Ktp900f Firmware

CWE
CWE-788