description: A vulnerability has been identified in Totally Integrated Automation Portal (TIA Portal) V14 (All versions), Totally Integrated Automation Portal (TIA Portal) V15 (All versions), Totally Integrated Automation Portal (TIA Portal) V15.1 (All versions), Totally Integrated Automation Portal (TIA Portal) V16 (All versions), Totally Integrated Automation Portal (TIA Portal) V17 (All versions), Totally Integrated Automation Portal (TIA Portal) V18 (All versions), Totally Integrated Automation Portal (TIA Portal) V19 (All versions). The know-how protection feature in affected products does not properly update the encryption of existing program blocks when a project file is updated.
This could allow attackers with access to the project file to recover previous - yet unprotected - versions of the project without the knowledge of the know-how protection password.
problem types: CWE-693: Protection Mechanism Failure
affected:
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V14
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V15
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V15.1
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V16
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V17
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V18
versions:
version: All versions, status: affected
defaultStatus: unknown
}
{
vendor: Siemens
product: Totally Integrated Automation Portal (TIA Portal) V19
versions:
version: All versions, status: affected
defaultStatus: unknown
}
metrics:
cvssV3_1: [
version: 3.1
vectorString: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N/E:P/RL:T/RC:C
baseScore: 6.2
baseSeverity: MEDIUM
]