PT-2019-2283 · Schneider Electric · Modicon M580+3

David Formby + 1 · Published 2019-05-14 · Updated 2022-02-03 · CVE-2019-6821

Positive Technologies (AI Summary)

CVSS v3.1

6.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Modicon M580 versions prior to V2.30 Modicon M340 (affected versions not specified) Modicon Premium (affected versions not specified) Modicon Quantum (affected versions not specified)

Description The issue is related to the use of insufficiently random values, which could allow a remote attacker to hijack TCP connections when using Ethernet communication.

Recommendations For Modicon M580 versions prior to V2.30, update to version V2.30 or later. For Modicon M340, Modicon Premium, and Modicon Quantum, at the moment, there is no information about a newer version that contains a fix for this vulnerability.

Use of Insufficiently Random Values

Weakness Enumeration

CWE-330

Related Identifiers

BDU:2019-02054

CVE-2019-6821

Affected Products

Modicon M340

Modicon M580

Modicon Premium

Modicon Quantum

References · 6

• https://osv.dev/vulnerability/CVE-2019-6821 · Vendor Advisory
• https://schneider-electric.com/en/download/document/SEVD-2019-134-03 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-6821 · Security Note
• https://bdu.fstec.ru/vul/2019-02054 · Security Note
• https://ics-cert.us-cert.gov/advisories/ICSA-19-136-01 · Note
• http://securityfocus.com/bid/108366 · Note