SSA-367714: Improper Integrity Check of Firmware Updates in SiPass integrated AC5102 / ACC-G2 and ACC-AP
SiPass integrated ACC (Advanced Central Controller) devices do not properly check the integrity of firmware updates. This could allow an attacker to upload a maliciously modified firmware onto the device. Siemens recommends specific countermeasures for products where fixes are not, or not yet available.
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2022-31807US | medium5.5 | — | ||
A vulnerability has been identified in Building X - Security Manager Edge Controller (ACC-AP) (All versions). Affected devices do not properly check the integrity of firmware updat… | ||||
references
External citations — patches, advisories, analysis.
remediations (4)
- MitigationSiPass integrated AC5102 (ACC-G2)
Enable TLS for communication between servers and affected devices; this mitigates the risk of on-path attackers that intercept and modify the firmware during transmission
- MitigationSiPass integrated ACC-AP
Enable TLS for communication between servers and affected devices; this mitigates the risk of on-path attackers that intercept and modify the firmware during transmission
- No fix plannedSiPass integrated AC5102 (ACC-G2)
Currently no fix is planned
- No fix plannedSiPass integrated ACC-AP
Currently no fix is planned
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