CVE-2021-20608

Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric GX Works2 versions 1.606G and prior allows a remote unauthenticated attacker to cause a DoS condition in GX Works2 by getting GX Works2 to read a tampered program file from a Mitsubishi Electric PLC by sending malicious crafted packets to tamper with the program file.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
MitsubishiCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 49%
VendorProductVersion
mitsubishielectricgx_works2
𝑥
≤ 1.606g
𝑥
= Vulnerable software versions
References
https://jvn.jp/vu/JVNVU93019896/index.html
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf
https://jvn.jp/vu/JVNVU93019896/index.html
https://us-cert.cisa.gov/ics/advisories/icsa-21-350-04
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2021-020_en.pdf