description: A vulnerability has been identified in SIMATIC PC-Station Plus (All versions), SIMATIC S7-400 CPU 412-2 PN V7 (All versions), SIMATIC S7-400 CPU 414-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 414F-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416-3 PN/DP V7 (All versions), SIMATIC S7-400 CPU 416F-3 PN/DP V7 (All versions), SINAMICS S120 (incl. SIPLUS variants) (All versions < V5.2 SP3 HF15), SIPLUS S7-400 CPU 414-3 PN/DP V7 (All versions), SIPLUS S7-400 CPU 416-3 PN/DP V7 (All versions). The affected products do not handle HTTP(S) requests to the web server correctly.
This could allow an attacker to exhaust system resources and create a denial of service condition for the device.
problem types: CWE-674: Uncontrolled Recursion
affected:
{
vendor: Siemens
product: SIMATIC PC-Station Plus
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC S7-400 CPU 412-2 PN V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC S7-400 CPU 414-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC S7-400 CPU 414F-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC S7-400 CPU 416-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC S7-400 CPU 416F-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SINAMICS S120 (incl. SIPLUS variants)
versions:
version: All versions < V5.2 SP3 HF15, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIPLUS S7-400 CPU 414-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIPLUS S7-400 CPU 416-3 PN/DP V7
versions:
version: All versions, status: affected
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 7.5
baseSeverity: HIGH
]