CVE-2024-43647

State
Published
Severity
8.7 High
Published
Sep 10, 2024
Updated
Sep 10, 2024
Reserved
Aug 14, 2024

Read the record on cve.org

Description

A vulnerability has been identified in SIMATIC S7-200 SMART CPU CR40 (6ES7288-1CR40-0AA0) (All versions), SIMATIC S7-200 SMART CPU CR60 (6ES7288-1CR60-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR20 (6ES7288-1SR20-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR20 (6ES7288-1SR20-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR30 (6ES7288-1SR30-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR30 (6ES7288-1SR30-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR40 (6ES7288-1SR40-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR40 (6ES7288-1SR40-0AA1) (All versions), SIMATIC S7-200 SMART CPU SR60 (6ES7288-1SR60-0AA0) (All versions), SIMATIC S7-200 SMART CPU SR60 (6ES7288-1SR60-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST20 (6ES7288-1ST20-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST20 (6ES7288-1ST20-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST30 (6ES7288-1ST30-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST30 (6ES7288-1ST30-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST40 (6ES7288-1ST40-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST40 (6ES7288-1ST40-0AA1) (All versions), SIMATIC S7-200 SMART CPU ST60 (6ES7288-1ST60-0AA0) (All versions), SIMATIC S7-200 SMART CPU ST60 (6ES7288-1ST60-0AA1) (All versions). Affected devices do not properly handle TCP packets with an incorrect structure. This could allow an unauthenticated remote attacker to cause a denial of service condition. To restore normal operations, the network cable of the device needs to be unplugged and re-plugged.

Scores

CVSSScoreVectorSource
4.08.7 HighCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:Nsiemens
3.17.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:Csiemens

Weaknesses

  • CWE-400 Uncontrolled Resource Consumption

Affected Products

ProductVersions
SIMATIC S7-200 SMART CPU CR40Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU CR60Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR20Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR20Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR30Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR30Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR40Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR40Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR60Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU SR60Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST20Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST20Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST30Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST30Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST40Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST40Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST60Siemens
  • all versionsAffected
SIMATIC S7-200 SMART CPU ST60Siemens
  • all versionsAffected

References

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