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TI-2023-03154 Aliases CVE-2023-3373GHSA-5gwv-ww26-4rhf

Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric…

Priority MEDIUM 41CWE-342Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
None · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA.

Summary

Predictable Exact Value from Previous Values vulnerability in Mitsubishi Electric Corporation GOT2000 Series GT21 model versions 01.49.000 and prior and GOT SIMPLE Series GS21 model versions 01.49.000 and prior allows a remote unauthenticated attacker to hijack data connections (session hijacking) or prevent legitimate users from establishing data connections (to cause DoS condition) by guessing the listening port of the data connection on FTP server and connecting to it.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01016 63rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Mitsubishi Electric CorporationGOT2000 Series GT21 modelup to 01.49.000—No fix listedCNA
Mitsubishi Electric CorporationGOT SIMPLE Series GS21 modelup to 01.49.000—No fix listedCNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:mitsubishielectric:gt21_firmware:*:*:*:*:*:*:*:*before 01.50.000VulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:gt21:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:o:mitsubishielectric:gs21_firmware:*:*:*:*:*:*:*:*before 01.50.000VulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:gs21:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-3373
  2. 2026-10-03 Alias added: GHSA-5gwv-ww26-4rhf

References

  • TI-2022-14737 Deserialization of untrusted data in Mitsubishi Electric Corporation GENESIS64 CVSS 3.1CRITICAL 9.8
  • TI-2022-19113 Authentication Bypass Vulnerability in Web Server Function on MELSEC Series CVSS 3.1CRITICAL 9.1
  • TI-2023-01345 Denial-of-Service and Remote Code Execution Vulnerability in MELSEC Series CPU module CVSS 3.1CRITICAL 10.0
  • TI-2023-06346 Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')… CVSS 3.1CRITICAL 9.8
  • TI-2023-03131 Denial of Service (DoS) and Remote Code Execution Vulnerability in MITSUBISHI CNC Series CVSS 3.1CRITICAL 9.8
  • TI-2021-03821 Memory corruption in Mitsubishi Electric Corporation CPU Module Logging Configuration Tool CVSS 3.1CRITICAL 9.8
See all 151 →

Sources