description: A vulnerability has been identified in SIMATIC PCS 7 V9.1 (All versions < V9.1 SP2 UC04), SIMATIC WinCC Runtime Professional V17 (All versions), SIMATIC WinCC Runtime Professional V18 (All versions), SIMATIC WinCC Runtime Professional V19 (All versions < V19 Update 1), SIMATIC WinCC V7.5 (All versions < V7.5 SP2 Update 16), SIMATIC WinCC V8.0 (All versions). The affected products do not properly validate the input provided in the login dialog box. An attacker could leverage this vulnerability to cause a persistent denial of service condition.
problem types: CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
affected:
{
vendor: Siemens
product: SIMATIC PCS 7 V9.1
versions:
status: affected, version: 0, lessThan: V9.1 SP2 UC04, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC Runtime Professional V17
versions:
status: affected, version: All versions
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC Runtime Professional V18
versions:
status: affected, version: All versions
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC Runtime Professional V19
versions:
status: affected, version: 0, lessThan: V19 Update 1, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC V7.5
versions:
status: affected, version: 0, lessThan: V7.5 SP2 Update 16, versionType: custom
defaultStatus: unknown
}
{
vendor: Siemens
product: SIMATIC WinCC V8.0
versions:
status: affected, version: All versions
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:P/RL:O/RC:C
baseScore: 6.2
baseSeverity: MEDIUM
]