Advisoriesby IbisSchneider ElectricCVE-2026-3869
CWE-303 : Incorrect Implementation of Authentication Algorithm vulnerability...
No fix yet
CWE-303 : Incorrect Implementation of Authentication Algorithm vulnerability exists that could cause loss of confidentiality, integrity and availability of the PLC provided an application project with a lower application level is running on the PLC.
Affected versions
| Package | Affected | Fixed in |
|---|---|---|
| Modicon M580 Product | <= All versions with an application level below 4.00 | No fix yet |
| Modicon M580 Safety Product | <= All versions with an application level below 4.20 | No fix yet |
Details and references
- CVSS 4.0
- CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/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
- Severity from
- the vendor (its own CVE record or advisory)
- Weakness
- CWE-303