PT-2023-6278 · Mitsubishi · Melsec-L Series

Published 2023-10-12 · Updated 2023-10-23 · CVE-2023-4562

Positive Technologies (AI Summary)

CVSS v3.1

9.4

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions Mitsubishi Electric Corporation MELSEC-F Series main modules (affected versions not specified)

Description The issue is related to an improper authentication vulnerability. This vulnerability allows a remote unauthenticated attacker to obtain sequence programs from the product, write malicious sequence programs, or write improper data in the product without authentication by sending illegitimate messages. The exploitation of this vulnerability may allow an attacker to bypass existing security restrictions.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Improper Authentication

Weakness Enumeration

CWE-287

Related Identifiers

BDU:2023-06988

CVE-2023-4562

Affected Products

Melsec-L Series

References · 8

• https://safe-surf.ru/upload/VULN-new/VULN.2023-10-13.1.pdf · Security Note
• https://bdu.fstec.ru/vul/2023-06988 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-4562 · Security Note
• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-012_en.pdf · Vendor Advisory
• https://t.me/cvenotify/59394 · Telegram Post
• https://jvn.jp/vu/JVNVU90509290 · Note
• https://cisa.gov/news-events/ics-advisories/icsa-23-285-13 · Note
• https://twitter.com/CVEnew/status/1712650501030854988 · Twitter Post