by Kastro
Paper/Archive/CVE-2023-6943

CVE-2023-6943

Mitsubishi Electric Corporation EZSocket — Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi Electric Corporation EZSoc…

EPSS 2%CVSS 9.8
critical.is priorityof 100
46
CVSS 9.8 (CNA, NVD agree)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 82.0.820 × 2016.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection') vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and prior, GT Designer3 Version1(GOT2000) versions 1.320J and prior, GX Works2 versions 1.11M to 1.626C, GX Works3 versions 1.106L and prior, MELSOFT Navigator versions 1.04E to 2.102G, MT Works2 versions 1.190Y and prior, MX Component versions 4.00A to 5.007H and MX OPC Server DA/UA all versions allows a remote unauthenticated attacker to execute a malicious code by RPC with a path to a malicious library while connected to the products.

Affected

ProductAffectedFixed inSource
EZSocket3.0 to 5.92–CNA
GT Designer3 Version1(GOT1000)1.325P and prior–CNA
GT Designer3 Version1(GOT2000)1.320J and prior–CNA
GX Works21.11M to 1.626C–CNA
GX Works31.106L and prior–CNA
MELSOFT Navigator1.04E to 2.102G–CNA
MT Works21.190Y and prior–CNA
MX Component4.00A to 5.007H–CNA
MX OPC Server DA/UAall versions–CNA

Scores by source

Mitsubishi (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

advisorymitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdfrefjvn.jp/vu/JVNVU95103362refcisa.gov/news-events/ics-advisories/icsa-24-030-02