CVE-2026-78049: falha de média gravidade em Systerel S2OPC
Systerel S2OPC AddNodes Service sopc_node_mgt_helper_internal.c out-of-bounds
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Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.
33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito 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
Produtos afetados
Systerel · S2OPCPoCs públicas encontradas — 1
cve_referencegithub.com/user-attachments/files/29702766/PoC.zipnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
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