CVE-2026-18257

Summary

Improper validity period check for root issuer certificate in CycloneCrypto cryptographic wrapper of S2OPC allows a certificate issued by this root issuer to be considered trusted

Affected Software

VendorProductVersion RangeStatus
SysterelS2OPC1.5.0 < 2.0.0affected

Weaknesses

  • CWE-295: CWE-295: Improper Certificate Validation

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References