CVE-2020-7534

What it is

A CWE-352: Cross-Site Request Forgery (CSRF) vulnerability exists on the web server used, that could cause a leak of sensitive data or unauthorized actions on the web server during the time the user is logged in. Affected Products: Modicon M340 CPUs: BMXP34 (All Versions), Modicon Quantum CPUs with integrated Ethernet (Copro): 140CPU65 (All Versions), Modicon Premium CPUs with integrated Ethernet (Copro): TSXP57 (All Versions), Modicon M340 ethernet modules: (BMXNOC0401, BMXNOE01, BMXNOR0200H) (All Versions), Modicon Quantum and Premium factory cast communication modules: (140NOE77111, 140NOC78*00, TSXETY5103, TSXETY4103) (All Versions)

At a glance

Exploitability

Can be exploited over the network without logging in, but needs a user to act. High risk of data exposure, data tampering, service disruption.

Exploit odds

0.4% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2022-02-04 23:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-17 03:24 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 0.4% in the next 30 days (EPSS).
• Severity: 8.8 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2022-02-04 23:15 UTC

Last modified

2026-06-17 03:24 UTC

Exploit probability

0.4% · EPSS, next 30 days

Weakness

CWE-352 · Cross-site request forgery

Record status

Modified

Affected

• schneider-electric Modicon m340 bmxp342020 Firmware
• schneider-electric 140cpu65 Firmware
• schneider-electric tsxp57 Firmware
• schneider-electric bmxnoc0401 Firmware
• schneider-electric bmxnoe01 Firmware
• schneider-electric bmxnor0200h Firmware
• schneider-electric 140noe77111 Firmware
• schneider-electric 140noc78000 Firmware

Attack profile CVSS 3.1 · 8.8

Attack vector

Network

Complexity

Low

Privileges needed

None

User interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2020-7534.md and follow it. Check whether this project is affected by CVE-2020-7534. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

Copy as ticket · More options · Status badge