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TI-2020-04565 Aliases CVE-2020-5596GHSA-gpgq-86h5-hrxm

Session fixation in Mitsubishi Electric Corporation GOT2000 series GT27, GT25, and GT23

Priority LOW 36CWE-384Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-384.

Summary

TCP/IP function included in the firmware of Mitsubishi Electric GOT2000 series (CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model) does not properly manage sessions, which may allow a remote attacker to stop the network functions of the products or execute a malicious program via a specially crafted packet.

Why it matters now

EPSS 0.01635 76th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
Mitsubishi Electric CorporationGOT2000 series GT27, GT25, and GT23CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model—No fix listedCNA
  • GOT2000 series GT27, GT25, and GT23 VendorMitsubishi Electric Corporation Affected CoreOS with version -Y and earlier installed in GT27 Model, GT25 Model, and GT23 Model Fixed in — No fix listed CNA

CPE configurations NVD · 4

CPEVersionsRoleVendor
cpe:2.3:o:mitsubishielectric:coreos:*:*:*:*:*:*:*:*up to yVulnerableMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:got2000_gt23:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:got2000_gt25:-:*:*:*:*:*:*:*not specified by NVDRunning onMitsubishi Electric Europe B.V.
cpe:2.3:h:mitsubishielectric:got2000_gt27:-:*:*:*:*:*:*:*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-2020-5596
  2. 2026-10-03 Alias added: GHSA-gpgq-86h5-hrxm

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