PT-2024-8942 · Mitsubishi · Melsec Iq-F Series Fx5-Enet/Ip

CVE-2024-8403 · Published 2024-11-18 · Updated 2024-11-20

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

Name of the Vulnerable Software and Affected Versions: Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET versions 1.100 and later Mitsubishi Electric Corporation MELSEC iQ-F Series FX5-ENET/IP versions 1.100 to 1.104

Description: The issue is related to improper validation of specified input types, allowing a remote attacker to cause a Denial of Service condition in Ethernet communication by sending specially crafted SLMP packets.

Recommendations: For versions 1.100 and later of FX5-ENET, update to a version that includes the fix for this issue. For versions 1.100 to 1.104 of FX5-ENET/IP, update to a version that includes the fix for this issue. As a temporary workaround, consider restricting access to the SLMP packet handler to minimize the risk of exploitation.

Fix

Weakness Enumeration

CWE-1287

Related Identifiers

BDU:2024-10619

CVE-2024-8403

Affected Products

Melsec Iq-F Series Fx5-Enet/Ip

References · 12

• https://mitsubishielectric.com/en/psirt/vulnerability/pdf/2024-009_en.pdf · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-8403#VulnChangeHistorySection · Security Note
• https://bdu.fstec.ru/vul/2024-10619 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2024-8403 · Security Note
• https://twitter.com/oktsec/status/1858791745984573705 · Twitter Post
• https://twitter.com/CVEnew/status/1858757923976982918 · Twitter Post
• https://jvn.jp/vu/JVNVU97790713 · Note
• https://t.me/cvenotify/102100 · Telegram Post
• https://t.me/cvenotify/102227 · Telegram Post
• https://t.me/latest_high_impact_cve/1531 · Telegram Post
• https://t.me/cvedetector/11434 · Telegram Post
• https://cisa.gov/news-events/ics-advisories/icsa-24-324-01 · Note