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Fencer Vulns
medium 5.9

CVE-2023-6374 json

Authentication Bypass by Capture-replay vulnerability in Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200 all serial numbers…

published 2024-01-30 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-58615

cvss
5.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.8%
EPSS 0.8% chance of exploitation in 30 days, percentile 55%
public exploits
0
none known

Summary

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.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

cisa ICSA-24-030-03 updated cvss 5.9

Mitsubishi Electric MELSEC WS Series Ethernet Interface Module

  • Mitsubishi Electric WS0-GETH00200
    affected: mitigation “Mitsubishi Electric recommends that users take the following mitigation measures to minimize the risk of exploiting this vulnerability:” mitsubishielectric.com

From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

0.76% chance of exploitation in the next 30 days, higher than 55% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected products

  • Mitsubishi Electric Corporation MELSEC WS Series WS0-GETH00200

Classification

Weakness
  • CWE-294 Authentication Bypass by Capture-replay

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.