Vulnerability · Published Dec 11, 2020 · Assigned by schneider

CVE-2020-7535

High 7.5

In plain English

A high-severity path traversal in Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 74% of all known vulnerabilities).

Severity (CVSS NVD)7.5High
Exploit odds (30 days)1.5%top 25.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official description

A CWE-22: Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal' Vulnerability Type) vulnerability exists in the Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions), that could cause disclosure of information when sending a specially crafted request to the controller over HTTP.

Affected products (as reported)

VendorProductVersions
n/a Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions) Web Server on Modicon M340, Legacy Offers Modicon Quantum and Modicon Premium and associated Communication Modules (see security notification for affected versions)

Weakness: CWE-22

References