CVE•Published 2020-11-18•Modified 2026-05-29•1 article on news•5 live references•NVD data

CVE-2020-7562Schneider-electric · Modicon_tsxety4103_firmware

Vulnerability data via NVD (ingested)

CVSS v3.1

8.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

EPSS percentile

Exploit Prediction Scoring System · top 33% of all CVEs

Weaknesses (CWE)

CWE-125Out-of-bounds Read

Description

A CWE-125: Out-of-Bounds Read vulnerability exists in the Web Server on Modicon M340, Modicon Quantum and Modicon Premium Legacy offers and their Communication Modules (see notification for details) which could cause a segmentation fault or a buffer overflow when uploading a specially crafted file on the controller over FTP.

Timeline

Published 2020-11-18

Modified 2026-05-29

External references

NVD MITRE Exploit-DB GitHub PoC VulnCheck

Search for exposed instances

Shodan + Censys queries derived from NVD's CPE data. The vuln tag catches assets Shodan has explicitly linked to this CVE; the product / banner fingerprints find exposed instances even when the vuln tag was never applied (which is common).

Shodan · vuln tag0 hosts

vuln:CVE-2020-7562

Hosts Shodan has explicitly fingerprinted as vulnerable.

Shodan · OS

os:"Modicon Tsxety4103 Firmware"

Hosts Shodan identified as running Modicon Tsxety4103 Firmware.

More intel sources (5)

Shodan report

vuln:CVE-2020-7562

Country / ASN / product breakdown for the vuln query.

Censys

vulnerabilities.cve_id: CVE-2020-7562