description: A vulnerability has been identified in SIMATIC MV540 H (All versions < V3.3.4), SIMATIC MV540 S (All versions < V3.3.4), SIMATIC MV550 H (All versions < V3.3.4), SIMATIC MV550 S (All versions < V3.3.4), SIMATIC MV560 U (All versions < V3.3.4), SIMATIC MV560 X (All versions < V3.3.4). Affected devices cannot properly process specially crafted Ethernet frames sent to the devices. This could allow an unauthenticated remote attacker to cause a denial of service condition. The affected devices must be restarted manually.
problem types: CWE-400: Uncontrolled Resource Consumption
affected:
{
vendor: Siemens
product: SIMATIC MV540 H
versions:
version: All versions < V3.3.4, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC MV540 S
versions:
version: All versions < V3.3.4, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC MV550 H
versions:
version: All versions < V3.3.4, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC MV550 S
versions:
version: All versions < V3.3.4, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC MV560 U
versions:
version: All versions < V3.3.4, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC MV560 X
versions:
version: All versions < V3.3.4, 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
]