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TI-2020-09701 Aliases CVE-2020-12042GHSA-939r-7q8p-37qg

Improper signature verification in Opto 22 SoftPAC Project

Priority LOW 29CWE-347Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Security bypass
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-347.

Summary

Opto 22 SoftPAC Project Version 9.6 and prior. Paths specified within the zip files used to update the SoftPAC firmware are not sanitized. As a result, an attacker with user privileges can gain arbitrary file write access with system access.

Why it matters now

EPSS 0.0051 43rd 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
—Opto 22 SoftPAC ProjectSoftPAC Project Version 9.6 and prior—No fix listedCNA
  • Opto 22 SoftPAC Project Vendor— Affected SoftPAC Project Version 9.6 and prior Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:opto22:softpac_project:*:*:*:*:*:*:*:*up to 9.6VulnerableOPTO 22
  • cpe:2.3:a:opto22:softpac_project:*:*:*:*:*:*:*:* Versions up to 9.6 Vulnerable ·OPTO 22

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-12042
  2. 2026-10-03 Alias added: GHSA-939r-7q8p-37qg

References

Advisory 1

  • TI-2020-08532 Improper authorization in Opto 22 SoftPAC Project CVSS 3.1CRITICAL 9.8
  • TI-2020-08528 Uncontrolled search path in Opto 22 SoftPAC Project CVSS 3.1HIGH 8.8
  • TI-2020-08524 Improper access control in Opto 22 SoftPAC Project CVSS 3.1CRITICAL 9.1
  • TI-2020-09704 Improper signature verification in Opto 22 SoftPAC Project CVSS 3.1MEDIUM 5.7

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences