Reliance on untrusted inputs in a security decision in Schneider Electric products - CVE-2018-7850
Published: October 3, 2019
Vulnerability identifier: #VU21510
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2018-7850
CWE-ID: CWE-807
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Schneider Electric
Affected software:
Modicon Quantum
Modicon Premium
Modicon M340
Modicon M580
Modicon Quantum
Modicon Premium
Modicon M340
Modicon M580
Detailed vulnerability description
The vulnerability allows a remote attacker to cause modification of sensitive data.
The vulnerability exists due to the application uses a protection mechanism that relies on the existence or values of an input, but the input can be modified in a way that bypasses the protection mechanism. A remote attacker can cause invalid information displayed in Unity Pro software.
How to mitigate CVE-2018-7850
Install updates from vendor's website.