Siemens simatic hmi manual update#
SIPLUS variants): Update SIMATIC WinCC (TIA Portal) to v15.1 SP1 Update 6, and then update panel to v15.1 SP1 Update 6 SIMATIC HMI Comfort Outdoor Panels v15 7’ and 15’ (incl.Siemens recommends applying updates where available: Siemens reported these vulnerabilities to CISA. CRITICAL INFRASTRUCTURE SECTORS: Multiple Sectors.
A CVSS v3 base score of 7.5 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H). SmartVNC has a heap allocation leak vulnerability in the device layout handler on client side, which could result in a denial-of-service condition.ĬVE-2021-27386 has been assigned to this vulnerability. 4.2.7 IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER CWE-119 4.2.6 UNCONTROLLED RESOURCE CONSUMPTION CWE-400Ī remote attacker could send specially crafted packets to a SmartVNC device layout handler on the client side, which could influence the number of resources consumed and result in a denial-of-service condition (infinite loop).ĬVE-2021-27385 has been assigned to this vulnerability. A CVSS v3 base score of 9.8 has been calculated the CVSS vector string is ( AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H).
Siemens simatic hmi manual code#
SmartVNC has an out-of-bounds memory access vulnerability in the device layout handler represented by a binary data stream on client side, which could result in code execution.ĬVE-2021-27384 has been assigned to this vulnerability. 4.2.5 ACCESS OF MEMORY LOCATION AFTER END OF BUFFER CWE-788 SmartVNC has a heap allocation leak vulnerability in the server Tight encoder, which could result in a denial-of-service condition.ĬVE-2021-27383 has been assigned to this vulnerability. 4.2.4 IMPROPER RESTRICTION OF OPERATIONS WITHIN THE BOUNDS OF A MEMORY BUFFER CWE-119 A CVSS v3 base score of 5.9 has been calculated the CVSS vector string is ( AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:H). SmartVNC client fails to handle an exception properly if the program execution process is modified after sending a packet from the server, which could result in a denial-of-service condition.ĬVE-2021-25662 has been assigned to this vulnerability. 4.2.3 IMPROPER HANDLING OF EXCEPTIONAL CONDITIONS CWE-755 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.ĬVE-2021-25661 has been assigned to this vulnerability. 4.2.2 ACCESS OF MEMORY LOCATION AFTER END OF BUFFER CWE-788 A CVSS v3 base score of 5.4 has been calculated the CVSS vector string is ( AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:H). 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.ĬVE-2021-25660 has been assigned to this vulnerability.
SIPLUS variants): All versions prior to v16 Update 4 SIMATIC HMI Comfort Panels v16 4’-22’ (incl.SIMATIC HMI Comfort Outdoor Panels v16 7’ and 15’ (incl.SIMATIC WinCC Runtime Advanced v15: All versions prior to v15.1 SP1 Update 6.SIMATIC HMI KTP Mobile Panels v15 KTP400F, KTP700, KTP700F, KTP900, KTP900F: All versions prior to v15.1 Update 6.SIPLUS variants): All versions prior to v15.1 Update 6 SIMATIC HMI Comfort Panels v15 4’-22’ (incl.The following Siemens SIMATIC HMIs/WinCC products are affected: Successful exploitation of these vulnerabilities could allow remote code execution, information disclosure and denial-of-service attacks under certain conditions. This updated advisory is a follow-up to the original advisory titled ICSA-21-040-05 Siemens SIMATIC SmartVNC HMI WinCC Products that was published September 14, 2021, to the ICS webpage on. Vulnerabilities: Access of Memory Location After End of Buffer, Improper Handling of Exceptional Conditions, Improper Restriction of Operations within the Bounds of a Memory Buffer, Uncontrolled Resource Consumption.