What’s Vulnerable › Vulnerabilities

CVE-2023-0863: Authentication to access the AC wallbox via its Bluetooth Low Energy (BLE) channel can be bypassed,

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-05-17 · updated 2026-06-17
• Weakness: CWE-287

Description

Improper Authentication vulnerability in ABB Terra AC wallbox (UL40/80A), ABB Terra AC wallbox (UL32A), ABB Terra AC wallbox (CE) (Terra AC MID), ABB Terra AC wallbox (CE) Terra AC Juno CE, ABB Terra AC wallbox (CE) Terra AC PTB, ABB Terra AC wallbox (CE) Symbiosis, ABB Terra AC wallbox (JP).This issue affects Terra AC wallbox (UL40/80A): from 1.0;0 through 1.5.5; Terra AC wallbox (UL32A) : from 1.0;0 through 1.6.5; Terra AC wallbox (CE) (Terra AC MID): from 1.0;0 through 1.6.5; Terra AC wallbox (CE) Terra AC Juno CE: from 1.0;0 through 1.6.5; Terra AC wallbox (CE) Terra AC PTB : from 1.0;0 through 1.5.25; Terra AC wallbox (CE) Symbiosis: from 1.0;0 through 1.2.7; Terra AC wallbox (JP): from 1.0;0 through 1.6.5.

Affected products

• ABB Terra Ac Wallbox 80A Firmware: from 1.0.0 before 1.5.6 — fixed in 1.5.6
• ABB Terra Ac Wallbox Ce Juno Firmware: from 1.0.0 before 1.6.6 — fixed in 1.6.6
• ABB Terra Ac Wallbox Ce Mid Firmware: from 1.0.0 before 1.6.6 — fixed in 1.6.6
• ABB Terra Ac Wallbox Ce Ptb Firmware: from 1.0.0 before 1.5.26 — fixed in 1.5.26
• ABB Terra Ac Wallbox Ce Symbiosis Firmware: from 1.0.0 before 1.2.8 — fixed in 1.2.8
• ABB Terra Ac Wallbox Jp Firmware: from 1.0.0 before 1.6.6 — fixed in 1.6.6
• ABB Terra Ac Wallbox Ul32A Firmware: from 1.0.0 before 1.6.6 — fixed in 1.6.6
• ABB Terra Ac Wallbox Ul40 Firmware: from 1.0.0 before 1.5.6 — fixed in 1.5.6

How to fix

Upgrade to a fixed version: ABB Terra Ac Wallbox 80A Firmware 1.5.6; ABB Terra Ac Wallbox Ce Juno Firmware 1.6.6; ABB Terra Ac Wallbox Ce Mid Firmware 1.6.6; ABB Terra Ac Wallbox Ce Ptb Firmware 1.5.26; ABB Terra Ac Wallbox Ce Symbiosis Firmware 1.2.8; ABB Terra Ac Wallbox Jp Firmware 1.6.6; ABB Terra Ac Wallbox Ul32A Firmware 1.6.6; ABB Terra Ac Wallbox Ul40 Firmware 1.5.6. Check the vendor advisory for mitigations.

References

• https://search.abb.com/library/Download.aspx?DocumentID=9AKK108468A1415&LanguageCode=en&DocumentPartId=&Action=Launch
• https://search.abb.com/library/Download.aspx?DocumentID=9AKK108468A1415&LanguageCode=en&DocumentPartId=&Action=Launch

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