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TI-2020-08551 Aliases CVE-2020-10639GHSA-2x2p-r3j5-7pgp

Stack-based buffer overflow in Eaton HMiSoft VU3

Priority LOW 36CWE-121Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.

Summary

Eaton HMiSoft VU3 (HMIVU3 runtime not impacted), Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. A specially crafted input file could cause a buffer overflow when loaded by the affected product.

Why it matters now

EPSS 0.00805 56th 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
—Eaton HMiSoft VU3 (HMIVU3 runtime not impacted)HMiSoft VU3 Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues.—No fix listedCNA
  • Eaton HMiSoft VU3 (HMIVU3 runtime not impacted) Vendor— Affected HMiSoft VU3 Version 3.00.23 and prior, however, the HMIVU runtimes are not impacted by these issues. Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:eaton:hmisoft_vu3_firmware:*:*:*:*:*:*:*:*up to 3.00.23VulnerableEaton
cpe:2.3:h:eaton:hmisoft_vu3:-:*:*:*:*:*:*:*not specified by NVDRunning onEaton
  • cpe:2.3:o:eaton:hmisoft_vu3_firmware:*:*:*:*:*:*:*:* Versions up to 3.00.23 Vulnerable ·Eaton
  • cpe:2.3:h:eaton:hmisoft_vu3:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Eaton

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-10639
  2. 2026-10-03 Alias added: GHSA-2x2p-r3j5-7pgp

References

  • TI-2020-08549 Out-of-bounds read in Eaton HMiSoft VU3 CVSS 3.1MEDIUM 5.5

Sources