CVE-2023-6374

low-risk
Published 2024-01-30

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers allows a remote unauthenticated attacker to bypass authentication by capture-replay attack and illegally login to the affected module. As a result, the remote attacker who has logged in illegally may be able to disclose or tamper with the programs and parameters in the modules.

Do I need to act?

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0.89% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.9/10 Medium
NETWORK / HIGH complexity

Affected Products (1)

Melsec Ws0-Geth00200 Firmware

Affected Vendors

Mitsubishielectric

References (6)

Third Party Advisory https://jvn.jp/vu/JVNVU99497477
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-03
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-019_en.pdf
Third Party Advisory https://jvn.jp/vu/JVNVU99497477
Third Party Advisory https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-03
Vendor Advisory https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-019_en.pdf
26
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 3/34 · Minimal
Exposure 5/34 · Minimal