{"cve":"CVE-2020-7498","nvd":{"published":"2020-06-16T20:15:14.690","modified":"2026-06-17T03:24:53.870","status":"Modified","description":"A CWE-798: Use of Hard-coded Credentials vulnerability exists in the Unity Loader and OS Loader Software (all versions). The fixed credentials are used to simplify file transfer. Today the use of fixed credentials is considered a vulnerability, which could cause unauthorized access to the file transfer service provided by the Modicon PLCs. This could result in various unintended results.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8},"cwes":["CWE-798"],"references":["https://www.se.com/ww/en/download/document/SEVD-2020-161-02","https://www.se.com/ww/en/download/document/SEVD-2020-161-02"],"products":["schneider-electric:os_loader","schneider-electric:unity_loader"],"source":"nvd","synced_at":"2026-10-19T21:05:42.039641217+00:00"},"epss":{"cve":"CVE-2020-7498","score":0.01358,"percentile":0.7168,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}