CVE-2023-5274: Improper Input Validation vulnerability in simulation function of GX Works2 allows an attacker to cause a deni

Routine

LOW 2.5MITIGATE

CVE-2023-5274 is a low-severity flaw (CVSS 2.5) affecting gx works2. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

Improper Input Validation vulnerability in simulation function of GX Works2 allows an attacker to cause a denial-of-service (DoS) condition on the function by sending specially crafted packets. However, the attacker would need to send the packets from within the same personal computer where the function is running.

Why this priority

No elevated risk signals yet

No fix is published yet: follow the downgrade or mitigation steps.

Risk facts

CVSS score	2.5 (Low)
Attack vector	Local
Attack complexity	High
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.3% (top 81%)
CISA exploited list	No
Weakness	CWE-20
Published	2023-11-30
Last modified	2026-06-17

Publisher (CNA): Mitsubishi Electric Corporation · Vendor: mitsubishielectric

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-11-30 05:15 UTCPublished CVE record published
2026-06-17 06:48 UTCUpdated Record last modified

mitsubishielectric gx works2 MITIGATE

Affected: all versions

Fixed in: no fixed release known

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy gx-works2 || rpm -q gx-works2 || gx-works2 --version

No fixed or unaffected release known

Apply the vendor mitigation from the advisory, disable the affected feature, or restrict network access.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-5274?

gx works2: mitigate or apply the listed mitigation. Exact commands for each OS are on this page.

Is CVE-2023-5274 being exploited?

CVE-2023-5274 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-5274 affect?

CVE-2023-5274 affects gx works2. Severity is low (CVSS 2.5). Improper Input Validation vulnerability in simulation function of GX Works2 allows an attacker to cause a denial-of-service (DoS) condition on the function by sending specially crafted packets. However, the attacker would need to send the p

How urgent is CVE-2023-5274?

Priority 14/100. No elevated risk signals yet.

Related CVEs

CVE-2023-6943 CRITICAL 9.8 DOWNGRADE MITIGATE Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi
CVE-2023-6942 HIGH 7.5 DOWNGRADE MITIGATE Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket version
CVE-2023-5275 LOW 2.5 MITIGATE Improper Input Validation vulnerability in simulation function of GX Works2 allows an attacker to cause a deni

References

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