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SSA-054046 PUBLISHED CVSS 5.300000190734863 MEDIUM

Several SIMATIC S7-1500 CPU versions are affected by an authentication bypass vulnerability that could allow an unauthenticated remote attacker to gain knowledge about actual and configured maximum cycle times and communication load of the CPU. Siemens has released new versions for several affected products and recommends to update to the latest versions. Siemens recommends countermeasures for products where fixes are not, or not yet available.

Risk Scores

CVSS v3.1
5.300000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected Products

VendorProductVersions
SIMATIC ET 200SP CPU 1510SP F-1 PN (6ES7510-1SJ01-0AB0)
SIMATIC ET 200SP CPU 1514SPT-2 PN (6ES7514-2VN03-0AB0)
SIMATIC ET 200SP CPU 1514SP-2 PN (6ES7514-2DN03-0AB0)
SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK01-0AB0)
SIMATIC ET 200SP CPU 1510SP F-1 PN (6ES7510-1SK03-0AB0)
SIMATIC Drive Controller CPU 1504D TF (6ES7615-4DF10-0AB0)
SIMATIC ET 200SP CPU 1512SP-1 PN (6ES7512-1DM03-0AB0)
SIMATIC ET 200SP CPU 1512SP-1 PN (6ES7512-1DK01-0AB0)
SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AL03-0AB0)
SIMATIC ET 200SP CPU 1514SP F-2 PN (6ES7514-2SN03-0AB0)
SIMATIC ET 200SP CPU 1510SP-1 PN (6ES7510-1DK03-0AB0)
SIMATIC ET 200SP CPU 1512SP F-1 PN (6ES7512-1SM03-0AB0)
SIMATIC ET 200SP CPU 1512SP F-1 PN (6ES7512-1SK01-0AB0)
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V2 CPUs - Windows OS
SIMATIC Drive Controller CPU 1507D TF (6ES7615-7DF10-0AB0)
SIMATIC ET 200SP CPU 1510SP-1 PN (6ES7510-1DJ01-0AB0)
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V3 CPUs - Industrial OS
SIMATIC ET 200SP CPU 1514SPT F-2 PN (6ES7514-2WN03-0AB0)
SIMATIC ET 200SP Open Controller CPU 1515SP PC2 (incl. SIPLUS variants) V3 CPUs - Windows OS
SIMATIC S7-1500 CPU 1511-1 PN (6ES7511-1AK02-0AB0)

Timeline

References

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