title: Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS: An authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
description: On Phoenix Contact PLCnext Control Devices versions before 2021.0 LTS an authenticated low privileged user could embed malicious Javascript code to gain admin rights when the admin user visits the vulnerable website (local privilege escalation).
problem types: CWE-79 Cross-site Scripting (XSS)
affected:
{
product: AXC F 1152 (1151412)
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
{
product: AXC F 2152 (2404267)
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
{
product: AXC F 3152 (1069208)
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
{
product: RFC 4072S (1051328
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
{
product: AXC F 2152 Starterkit (1046568)
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
{
product: PLCnext Technology Starterkit (1188165)
vendor: Phoenix Contact
versions:
lessThan: 2021.0 LTS, status: affected, version: unspecified, versionType: custom
}
metrics:
cvssV3_1: [
attackComplexity: LOW
attackVector: NETWORK
availabilityImpact: HIGH
baseScore: 8.8
baseSeverity: HIGH
confidentialityImpact: HIGH
integrityImpact: HIGH
privilegesRequired: LOW
scope: UNCHANGED
userInteraction: NONE
vectorString: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
version: 3.1
]
solutions: Phoenix Contact recommends affected users to upgrade to the current Firmware 2021.0 LTS or higher which fixes these vulnerabilities.
workarounds: Phoenix Contact recommends operating network-capable devices in closed networks or protected with a suitable firewall. For detailed information on our recommendations for measures to protect network-capable devices, please refer to the Phoenix Contact application note.