An Information Exposure through Discrepancy vulnerability exists in the embedded web servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200 where the web server sends different responses in a way that exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not.
[
{
"product": "Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200",
"vendor": "Schneider Electric SE",
"versions": [
{
"status": "affected",
"version": "Embedded Web Servers in all Modicon M340, Premium, Quantum PLCs and BMXNOR0200"
}
]
}
]