CVE-2023-30756

State
Published
Severity
8.2 High
Published
Sep 10, 2024
Updated
Sep 10, 2024
Reserved
Apr 14, 2023

Read the record on cve.org

Description

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.

Scores

CVSSScoreVectorSource
4.08.2 HighCVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsiemens
3.15.9 MediumCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:Csiemens

Weaknesses

Affected Products

ProductVersions
SIMATIC CP 1242-7 V2 (incl. SIPLUS variants)Siemens
  • before V3.5.20Affected
SIMATIC CP 1243-1 (incl. SIPLUS variants)Siemens
  • before V3.5.20Affected
SIMATIC CP 1243-1 DNP3 (incl. SIPLUS variants)Siemens
  • before V3.5.20Affected
SIMATIC CP 1243-1 IEC (incl. SIPLUS variants)Siemens
  • before V3.5.20Affected
SIMATIC CP 1243-7 LTESiemens
  • before V3.5.20Affected
SIMATIC CP 1243-8 IRCSiemens
  • before V3.5.20Affected
SIMATIC HMI Comfort Panels (incl. SIPLUS variants)Siemens
  • All versionsAffected
SIMATIC IPC DiagBaseSiemens
  • all versionsAffected
SIMATIC IPC DiagMonitorSiemens
  • All versionsAffected
SIMATIC WinCC Runtime AdvancedSiemens
  • All versionsAffected
SIPLUS TIM 1531 IRCSiemens
  • before V2.4.8Affected
TIM 1531 IRCSiemens
  • before V2.4.8Affected

References

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