← Back

CVE-2021-20613

nvd nist
Published: Jan 14, 2022Modified: Jun 17, 2026

JSON object

Loading...
7.5
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Exploitability: 3.9 / Impact: 3.6
Source: NVD

Description

Improper initialization vulnerability in MELSEC-F series FX3U-ENET Firmware version 1.16 and prior, FX3U-ENET-L Firmware version 1.16 and prior and FX3U-ENET-P502 Firmware version 1.16 and prior allows a remote unauthenticated attacker to cause a denial-of-service (DoS) condition in communication function of the product by sending specially crafted packets. Control by MELSEC-F series PLC is not affected by this vulnerability, but system reset is required for recovery.

Affected (3)

Mitsubishielectric
3 products
Fx3u Enet Firmware
Fx3u Enet L Firmware
Fx3u Enet P502 Firmware
Configuration A
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Fx3u Enet Firmware
Up to 1.16
Running on/withPlatform Versions
Mitsubishielectric
Fx3u Enet
All versions
Configuration B
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Fx3u Enet L Firmware
Up to 1.16
Running on/withPlatform Versions
Mitsubishielectric
Fx3u Enet L
All versions
Configuration C
1 vulnerable · 1 platform
Vulnerable SoftwareAffected Versions
Fx3u Enet P502 Firmware
Up to 1.16
Running on/withPlatform Versions
Mitsubishielectric
Fx3u Enet P502
All versions

Related CWEs

CWE-665
Improper Initialization
The product does not initialize or incorrectly initializes a resource, which might leave the resource in an unexpected state when it is accessed or used.

References (6)

Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
Third Party AdvisoryVDB Entry
Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
Third Party AdvisoryUS Government Resource
Source: Mitsubishielectric.Psirt@yd.MitsubishiElectric.co.jp
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryVDB Entry
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party AdvisoryUS Government Resource
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory

Timeline

No history available yet.