CVE-2020-7488

7.5 HIGH

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted betwee...

Published: 2020-04-22 · Last updated: 2026-05-28

Severity and scoring

CVSS: 7.5 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CWE: CWE-319

Affected products

Vendor	Product
schneider-electric	ecostruxure_machine_expert, modicon_m218_firmware, modicon_m241_firmware

Description

A CWE-319: Cleartext Transmission of Sensitive Information vulnerability exists which could leak sensitive information transmitted between the software and the Modicon M218, M241, M251, and M258 controllers.

Source: NVD

References

[NVD]https://nvd.nist.gov/vuln/detail/CVE-2020-7488
[Vendor advisory]https://www.se.com/ww/en/download/document/SEVD-2020-105-02
[Vendor advisory]https://www.se.com/ww/en/download/document/SEVD-2020-105-02

Related CVEs

Same vendor

CVE-2026-6332 — CWE-312: Cleartext Storage of Sensitive Information vulnerability exists that could cause the disclosure of a sensitive information whic... (7.5 HIGH)
CVE-2022-0715 — A CWE-287: Improper Authentication vulnerability exists that could cause an attacker to arbitrarily change the behavior of the UPS when a... (9.1 CRITICAL)
CVE-2021-22788 — A CWE-787: Out-of-bounds Write vulnerability exists that could cause denial of service when an attacker sends a specially crafted HTTP re... (7.5 HIGH)
CVE-2021-22787 — A CWE-20: Improper Input Validation vulnerability exists that could cause denial of service of the device when an attacker sends a specia... (7.5 HIGH)
CVE-2021-22785 — A CWE-200: Information Exposure vulnerability exists that could cause sensitive information of files located in the web root directory to... (7.5 HIGH)

Same CWE

CVE-2026-9741 — A bug in query analysis processing of the $vectorSearch aggregation stage for Queryable Encryption (QE) or Client-Side Field Level Encryp... (6.5 MEDIUM)
CVE-2026-45432 — This vulnerability exists in GX Earth ONT models due to the transmission of user credentials in plaintext over HTTP in its web management...
CVE-2026-8874 — Version 3.0.7 of the Securly Chrome Extension downloads JSON files containing crisis alert keywords and filtering rules over unencrypted ... (7.1 HIGH)
CVE-2026-36610 — Mercusys AC12G (EU) V1 with firmware AC12G(EU)_V1_200909 transmits DDNS credentials over plaintext HTTP with only Base64 encoding (5.9 MEDIUM)
CVE-2026-7666 — An issue was discovered in Django 6.0 before 6.0.6 and 5.2 before 5.2.15 (3.1 LOW)