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CVE-2023-5274

• Severity: medium (CVSS 4.7 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-30 · updated 2026-06-17
• Weakness: CWE-20

Description

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.

Affected products

• Mitsubishi Electric Corporation GX Works2: all versions

References

• https://jvn.jp/vu/JVNVU98760962/index.html
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-331-03
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-015_en.pdf
• https://jvn.jp/vu/JVNVU98760962/index.html
• https://www.cisa.gov/news-events/ics-advisories/icsa-23-331-03
• https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-015_en.pdf

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