Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT Ethernet resource pool

CVSS Meta Temp Score
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CTI Interest Score
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5.3$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT, ES, MELSEC iQ-F Series FX5U-64MT, MELSEC iQ-F Series FX5U-80MT, MELSEC iQ-F Series FX5U-32MR, MELSEC iQ-F Series FX5U-64MR, MELSEC iQ-F Series FX5U-80MR, DS, ESS, DSS, MELSEC iQ-F Series FX5UC-32MT, D, MELSEC iQ-F Series FX5UC-64MT, MELSEC iQ-F Series FX5UC-96MT, DS-TS, DSS-TS, MELSEC iQ-F Series FX5UC-32MR, MELSEC iQ-F Series FX5UJ-24MT, MELSEC iQ-F Series FX5UJ-40MT, MELSEC iQ-F Series FX5UJ-60MT, MELSEC iQ-F Series FX5UJ-24MR, MELSEC iQ-F Series FX5UJ-40MR, MELSEC iQ-F Series FX5UJ-60MR, ES-A, MELSEC iQ-F Series FX5S-30MT, MELSEC iQ-F Series FX5S-40MT, MELSEC iQ-F Series FX5S-60MT, MELSEC iQ-F Series FX5S-80MT, MELSEC iQ-F Series FX5S-30MR, MELSEC iQ-F Series FX5S-40MR, MELSEC iQ-F Series FX5S-60MR and MELSEC iQ-F Series FX5S-80MR. Impacted is an unknown function of the component Ethernet Handler. This manipulation causes resource pool. The identification of this vulnerability is CVE-2023-7033. It is possible to initiate the attack remotely. There is no exploit available.

Detailsinfo

A vulnerability classified as problematic was found in Mitsubishi Electric MELSEC iQ-F Series FX5U-32MT, ES, MELSEC iQ-F Series FX5U-64MT, MELSEC iQ-F Series FX5U-80MT, MELSEC iQ-F Series FX5U-32MR, MELSEC iQ-F Series FX5U-64MR, MELSEC iQ-F Series FX5U-80MR, DS, ESS, DSS, MELSEC iQ-F Series FX5UC-32MT, D, MELSEC iQ-F Series FX5UC-64MT, MELSEC iQ-F Series FX5UC-96MT, DS-TS, DSS-TS, MELSEC iQ-F Series FX5UC-32MR, MELSEC iQ-F Series FX5UJ-24MT, MELSEC iQ-F Series FX5UJ-40MT, MELSEC iQ-F Series FX5UJ-60MT, MELSEC iQ-F Series FX5UJ-24MR, MELSEC iQ-F Series FX5UJ-40MR, MELSEC iQ-F Series FX5UJ-60MR, ES-A, MELSEC iQ-F Series FX5S-30MT, MELSEC iQ-F Series FX5S-40MT, MELSEC iQ-F Series FX5S-60MT, MELSEC iQ-F Series FX5S-80MT, MELSEC iQ-F Series FX5S-30MR, MELSEC iQ-F Series FX5S-40MR, MELSEC iQ-F Series FX5S-60MR and MELSEC iQ-F Series FX5S-80MR. Affected by this vulnerability is some unknown functionality of the component Ethernet Handler. The manipulation with an unknown input leads to a resource pool vulnerability. The CWE definition for the vulnerability is CWE-410. The product's resource pool is not large enough to handle peak demand, which allows an attacker to prevent others from accessing the resource by using a (relatively) large number of requests for resources. As an impact it is known to affect availability. The summary by CVE is:

Insufficient Resource Pool vulnerability in Ethernet function of Mitsubishi Electric Corporation MELSEC iQ-R series CPU module, MELSEC iQ-L series CPU module, MELSEC iQ-R Ethernet Interface Module, MELSEC iQ-R CC-Link IE TSN Master/Local Module, CC-Link IE TSN Remote I/O Module, CC-Link IE TSN Analog-Digital Converter Module, CC-Link IE TSN Digital-Analog Converter Module, CC-Link IE TSN - CC-Link IE Field Network Bridge Module, CC-Link IE TSN - AnyWireASLINK Bridge Module, CC-Link IE TSN FPGA Module, CC-Link IE TSN Remote Station Communication LSI CP620 with GbE-PHY, MELSEC iQ-R Motion Module, MELSEC iQ-L Motion Module, MELSEC iQ-F FX5 Motion Module, MELSEC iQ-F Series CPU module, MELSEC iQ-F Series Ethernet module, MELSEC iQ-F Series Ethernet/IP module, MELSEC iQ-F Series OPC UA Module, MELSEC iQ-F Series CC-Link IE TSN master/local module, GOT2000 Series CC-Link IE TSN Communication Unit, FR-A800-E series inverters, FR-F800-E series inverters, FR-E800-E series inverters, INVERTER CC-Link IE TSN Plug-in option, INVERTER CC-Link IE TSN Safety Plug-in option, INVERTER CC-Link IE TSN communication function built-in type, MR-J5 series AC Servos MELSERVO, MR-JET series AC Servos MELSERVO, MR-MD333G series AC Servos MELSERVO, MR-JE series AC Servos MELSERVO, MELSERVO-J4 AC Servos MELSERVO and Embedded Type Servo System Controller allow a remote attacker to cause a temporary Denial of Service condition for a certain period of time in Ethernet communication of the products by performing TCP SYN Flood attack.

The weakness was shared 02/27/2024. The advisory is shared at jvn.jp. This vulnerability is known as CVE-2023-7033 since 12/21/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1499 for this issue.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

Name

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

CNA Base Score: 5.3
CNA Vector (Mitsubishi Electric Corporation): 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource pool
CWE: CWE-410 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/21/2023 🔍
02/27/2024 +68 days 🔍
02/27/2024 +0 days 🔍
04/15/2026 +778 days 🔍

Sourcesinfo

Advisory: jvn.jp
Status: Not defined

CVE: CVE-2023-7033 (🔍)
GCVE (CVE): GCVE-0-2023-7033
GCVE (VulDB): GCVE-100-254809

Entryinfo

Created: 02/27/2024 07:40
Updated: 04/15/2026 17:47
Changes: 02/27/2024 07:40 (46), 01/16/2025 06:24 (16), 04/15/2026 17:47 (1)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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