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S2opc

S2opc: vulnerabilidades y CVE

S2opc tiene 5 vulnerabilidades publicadas, 5 de ellas en los últimos 12 meses. 1 son críticas y 0 figuran en el catálogo de explotación activa de CISA.

CVE5
Últimos 12 meses5
Críticas1
Explotadas activamente0

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Últimas vulnerabilidades

CVESeveridadEPSSExplotación activaPublicadaDescripción
CVE-2026-90782Media (6)0.57%—13 sept 2026
S2OPC through 1.7.3 contains a null pointer dereference in msg_subscription_publish_bs__alloc_notification_message_items() where a failed allocation for DataChangeNotification is overwritten by a successful allocation…
CVE-2026-67868Crítica (9.8)1.1%—17 ago 2026
A heap-based out-of-bounds write vulnerability exists in S2OPC 1.7.3 in server-side EventFilter handling during CreateMonitoredItems processing. This allows a remote attacker to execute arbitrary code.
CVE-2026-67865Alta (7.5)0.76%—5 ago 2026
S2OPC 1.7.3 contains an out-of-bounds read in RepublishResponse handling. This allows a remote attacker to cause a denial of service
CVE-2026-9758Alta (7.3)0.19%—10 jun 2026
Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted
CVE-2026-6899Media (5.6)0.15%—9 jun 2026
Check for certificate revocation only considers the first matching CRL and ignores other valid CRLs of the same CA in the CycloneCrypto cryptographic wrapper of S2OPC library. It might allow connection between an OPC UA…

🎯 Cómo se explota (técnicas ATT&CK)

  1. T1190 Exploit Public-Facing Application3
  2. T1059 Command and Scripting Interpreter1
  3. T1499 Endpoint Denial of Service1
  4. T1557 Adversary-in-the-Middle1

Número de CVE de esta tecnología asignadas a cada técnica de explotación o de impacto principal.

Otros productos de S2opc