CVEvulnerability
CVE-2026-78049
2.9 LOW
Official page ↗
- Status
- Deferred
- Published
- 2026-08-22
- Last modified
- 2026-10-12
- Assigner
- [email protected]
- CVSS 4.0 ([email protected])
- 2.9 LOW — 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
- CVSS 3.1 ([email protected])
- 3.7 LOW — CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
- CVSS 2.0 ([email protected])
- 2.6 LOW — AV:N/AC:H/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-119, CWE-125
Description
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.
Related
References
- https://github.com/user-attachments/files/29702766/PoC.zip github.com
- https://gitlab.com/systerel/S2OPC/-/commit/aafbd37d381b618312ebdf5ddf57027f62c14fdd gitlab.com
- https://gitlab.com/systerel/S2OPC/-/merge_requests/1826 gitlab.com
- https://gitlab.com/systerel/S2OPC/-/work_items/1787 gitlab.com
- https://vuldb.com/cve/CVE-2026-78049 vuldb.com
- https://vuldb.com/submit/881262 vuldb.com
- https://vuldb.com/vuln/394290 vuldb.com
- https://vuldb.com/vuln/394290/cti vuldb.com