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5 vulnerabilities found for by Systerel

CVE-2026-78049 (GCVE-0-2026-78049)
Vulnerability from cvelistv5
Published
2026-08-22 22:30
Modified
2026-08-27 14:38
CWE
Summary
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.
Impacted products
Vendor Product Version
Systerel S2OPC Version: 1.7.0
Version: 1.7.1
Version: 1.7.2
Version: 1.7.3
    cpe:2.3:a:systerel:s2opc:*:*:*:*:*:*:*:*
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CVE-2026-18790 (GCVE-0-2026-18790)
Vulnerability from cvelistv5
Published
2026-08-04 17:30
Modified
2026-08-04 19:51
CWE
Summary
A weakness has been identified in Systerel S2OPC up to 1.7.3. This affects the function LockedStaMac_ProcessMsg_DeleteMonitoredItemsResponse of the file src/ClientServer/frontend/client_wrapper/internal/state_machine.c of the component DeleteMonitoredItemsRequest Handler. This manipulation causes out-of-bounds read. The attack can only be executed locally. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way.
References
Impacted products
Vendor Product Version
Systerel S2OPC Version: 1.7.0
Version: 1.7.1
Version: 1.7.2
Version: 1.7.3
    cpe:2.3:a:systerel:s2opc:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website


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CVE-2026-18257 (GCVE-0-2026-18257)
Vulnerability from cvelistv5
Published
2026-07-29 16:34
Modified
2026-07-29 18:04
CWE
  • CWE-295 - Improper Certificate Validation
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
Impacted products
Vendor Product Version
Systerel S2OPC Version: 1.5.0   
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CVE-2026-9758 (GCVE-0-2026-9758)
Vulnerability from cvelistv5
Published
2026-06-10 12:32
Modified
2026-06-10 13:54
CWE
  • CWE-295 - Improper Certificate Validation
Summary
Improper comparison with the certificates trusted list in S2OPC allows an attacker well-formed untrusted certificate to be considered trusted
Impacted products
Vendor Product Version
Systerel S2OPC Version: 1.5.0   
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Show details on NVD website


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CVE-2026-6899 (GCVE-0-2026-6899)
Vulnerability from cvelistv5
Published
2026-06-09 08:39
Modified
2026-06-09 14:25
CWE
  • CWE-299 - Improper Check for Certificate Revocation
Summary
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 client and server using a revoked certificate.
Impacted products
Vendor Product Version
Systerel S2OPC Version: 1.5.0   
Create a notification for this product.
Show details on NVD website


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