7.5

CVE-2021-25660

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 server side when sending data from the client, which could result in a Denial-of-Service condition.

Data is provided by the National Vulnerability Database (NVD)
SiemensSimatic Wincc Runtime Advanced Version16 Update-
SiemensSimatic Wincc Runtime Advanced Version16 Updateupdate1
SiemensSimatic Wincc Runtime Advanced Version16 Updateupdate2
SiemensSimatic Wincc Runtime Advanced Version16 Updateupdate3
SiemensSimatic Hmi Comfort Panels 4" Firmware Version15.1 Updateupdate1
SiemensSimatic Hmi Comfort Panels 4" Firmware Version15.1 Updateupdate2
SiemensSimatic Hmi Comfort Panels 4" Firmware Version15.1 Updateupdate3
SiemensSimatic Hmi Comfort Panels 4" Firmware Version15.1 Updateupdate4
SiemensSimatic Hmi Comfort Panels 4" Firmware Version15.1 Updateupdate5
SiemensSimatic Wincc Runtime Advanced Version15.1 Update-
SiemensSimatic Wincc Runtime Advanced Version15.1 Updateupdate1
SiemensSimatic Wincc Runtime Advanced Version15.1 Updateupdate2
SiemensSimatic Wincc Runtime Advanced Version15.1 Updateupdate3
SiemensSimatic Wincc Runtime Advanced Version15.1 Updateupdate4
SiemensSimatic Wincc Runtime Advanced Version15.1 Updateupdate5
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.46% 0.61
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
nvd@nist.gov 7.5 3.9 3.6
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov 5 10 2.9
AV:N/AC:L/Au:N/C:N/I:N/A:P
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

CWE-788 Access of Memory Location After End of Buffer

The product reads or writes to a buffer using an index or pointer that references a memory location after the end of the buffer.