8.2

CVE-2023-30756

A vulnerability has been identified in SIMATIC CP 1242-7 V2 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-1 IEC (incl. SIPLUS variants) (All versions < V3.5.20), SIMATIC CP 1243-7 LTE (All versions < V3.5.20), SIMATIC CP 1243-8 IRC (6GK7243-8RX30-0XE0) (All versions < V3.5.20), SIMATIC HMI Comfort Panels (incl. SIPLUS variants) (All versions), SIMATIC IPC DiagBase (All versions), SIMATIC IPC DiagMonitor (All versions), SIMATIC WinCC Runtime Advanced (All versions), SIPLUS TIM 1531 IRC (6AG1543-1MX00-7XE0) (All versions < V2.4.8), TIM 1531 IRC (6GK7543-1MX00-0XE0) (All versions < V2.4.8). The web server of the affected devices do not properly handle certain errors when using the Expect HTTP request header, resulting in NULL dereference.

This could allow a remote attacker with no privileges to cause a denial of service condition in the system.

Verknüpft mit AI von unstrukturierten Daten zu bestehenden CPE der NVD
This information is available to logged-in users.
Daten sind bereitgestellt durch das CVE Programm von einer CVE Numbering Authority (CNA) (Unstrukturiert).
VendorSiemens
≫
Product SIMATIC CP 1242-7 V2 (incl. SIPLUS variants)
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC CP 1243-1 (incl. SIPLUS variants)
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC CP 1243-7 LTE
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC CP 1243-8 IRC
Default Statusunknown
Version < V3.5.20
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC HMI Comfort Panels (incl. SIPLUS variants)
Default Statusunknown
Version All versions
Status affected
VendorSiemens
≫
Product SIMATIC IPC DiagBase
Default Statusunknown
Version < *
Version 0
Status affected
VendorSiemens
≫
Product SIMATIC IPC DiagMonitor
Default Statusunknown
Version All versions
Status affected
VendorSiemens
≫
Product SIMATIC WinCC Runtime Advanced
Default Statusunknown
Version All versions
Status affected
VendorSiemens
≫
Product SIPLUS TIM 1531 IRC
Default Statusunknown
Version < V2.4.8
Version 0
Status affected
VendorSiemens
≫
Product TIM 1531 IRC
Default Statusunknown
Version < V2.4.8
Version 0
Status affected
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.16% 0.376
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
productcert@siemens.com 8.2 0 0
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
productcert@siemens.com 5.9 2.2 3.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.