CVE-2023-51440: high-severity vulnerability in Siemens SIMATIC CP 343-1
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 0.6%
A vulnerability has been identified in SIMATIC CP 343-1 (6GK7343-1EX30-0XE0) (All versions), SIMATIC CP 343-1 Lean (6GK7343-1CX10-0XE0) (All versions), SIPLUS NET CP 343-1 (6AG1343-1EX30-7XE0) (All versions), SIPLUS NET CP 343-1 Lean (6AG1343-1CX10-2XE0) (All versions). Affected products incorrectly validate TCP sequence numbers. This could allow an unauthenticated remote attacker to create a denial of service condition by injecting spoofed TCP RST packets.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:T/RC:C
Affected products
Siemens · SIMATIC CP 343-1Siemens · SIMATIC CP 343-1 LeanSiemens · SIPLUS NET CP 343-1Siemens · SIPLUS NET CP 343-1 LeanRelated CVEs — Siemens SIMATIC CP 343-1
In the same product, most dangerous first.