High severity · published Jan 30, 2024
CVE-2023-6942
Missing Authentication for Critical Function vulnerability in Mitsubishi Electric Corporation EZSocket versions 3.0 to 5.92, GT Designer3 Version1(GOT1000) versions 1.325P and…
7.5
CVSS
0.9%
EPSS
No
On KEV
Description
Missing Authentication for Critical Function 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 bypass authentication by sending specially crafted packets and connect to the products illegally.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.9% · higher than 61% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EZ
Ezsocket · Mitsubishielectric
3.0 and later · source: NVD
FC
FR Configurator2 · Mitsubishielectric
All versions, or not specified · source: NVD
GW
GX Works2 · Mitsubishielectric
1.11m and later · source: NVD
GW
GX Works3 · Mitsubishielectric
All versions, or not specified · source: NVD
GO
Got1000 · Mitsubishielectric
All versions, or not specified · source: NVD
GO
Got2000 · Mitsubishielectric
All versions, or not specified · source: NVD
MW
MC Works64 · Mitsubishielectric
All versions, or not specified · source: NVD
MW
MT Works2 · Mitsubishielectric
All versions, or not specified · source: NVD
MC
MX Component · Mitsubishielectric
4.00a and later · source: NVD
MN
Melsoft Navigator · Mitsubishielectric
1.04e and later · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6942
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6942
Third Party Advisory
https://jvn.jp/vu/JVNVU95103362
Third Party Advisory
https://www.cisa.gov/news-events/ics-advisories/icsa-24-030-02
Vendor Advisory
https://www.mitsubishielectric.com/en/psirt/vulnerability/pdf/2023-020_en.pdf
More from Ezsocket
9.8
CVE-2023-6943
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…
9.8
CVE-2020-14496
Successful exploitation of this vulnerability for multiple Mitsubishi Electric Factory Automation Engineering Software Products of various versions could allow an attacker to…
9.8
CVE-2020-14521
Multiple Mitsubishi Electric Factory Automation engineering software products have a malicious code execution vulnerability
9.8
CVE-2021-20588
Improper Handling of Length Parameter Inconsistency vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and prior,…
9.8
CVE-2021-20587
Heap-based buffer overflow vulnerability in Mitsubishi Electric FA Engineering Software (CPU Module Logging Configuration Tool versions 1.112R and prior, CW Configurator versions…