A vulnerability has been identified in SENTRON 7KM PAC3120 AC/DC (7KM3120-0BA01-1DA0) (All versions >= V3.2.3 < V3.3.0 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3120 DC (7KM3120-1BA01-1EA0) (All versions >= V3.2.3 < V3.3.0 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3220 AC/DC (7KM3220-0BA01-1DA0) (All versions >= V3.2.3 < V3.3.0 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)), SENTRON 7KM PAC3220 DC (7KM3220-1BA01-1EA0) (All versions >= V3.2.3 < V3.3.0 only when manufactured between LQN231003... and LQN231215... ( with LQNYYMMDD...)). The read out protection of the internal flash of affected devices was not properly set at the end of the manufacturing process.

An attacker with physical access to the device could read out the data.

References

• https://nvd.nist.gov/vuln/detail/CVE-2024-21483
• https://cert-portal.siemens.com/productcert/html/ssa-792319.html