CVE-2026-78049: fallo de gravedad media en Systerel S2OPC
Systerel S2OPC AddNodes Service sopc_node_mgt_helper_internal.c out-of-bounds
Publicada el · Actualizada el
Aviso por correo cuando entre en el KEV, tenga PoC pública o suba de nota.
33Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 6.3epss 0.6%
A vulnerability has been found in Systerel S2OPC up to 1.7.3. Impacted is the function SOPC_NodeMgtHelperInternal_AddVariableNodeAttributes of the file src/ClientServer/address_space/internal/sopc_node_mgt_helper_internal.c of the component AddNodes Service. The manipulation of the argument UserAccessLevel leads to out-of-bounds read. It is possible to initiate the attack remotely. A high degree of complexity is needed for the attack. The exploitability is considered difficult. The exploit has been disclosed to the public and may be used. The identifier of the patch is aafbd37d381b618312ebdf5ddf57027f62c14fdd. It is suggested to install a patch to address this issue.
CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Productos afectados
Systerel · S2OPCPoCs públicas encontradas — 1
cve_referencegithub.com/user-attachments/files/29702766/PoC.zipno verificado⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
CVEs relacionadas — Systerel S2OPC
En el mismo producto, de las más peligrosas a las menos.
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Referencias
https://github.com/user-attachments/files/29702766/PoC.ziphttps://gitlab.com/systerel/S2OPC/-/commit/aafbd37d381b618312ebdf5ddf57027f62c14fddhttps://gitlab.com/systerel/S2OPC/-/merge_requests/1826https://gitlab.com/systerel/S2OPC/-/work_items/1787https://vuldb.com/cve/CVE-2026-78049https://vuldb.com/submit/881262https://vuldb.com/vuln/394290https://vuldb.com/vuln/394290/cti