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

Vulnerability summary

CVE-2023-0863 is a high (CVSS 8.8) Improper Authentication vulnerability in abb terra_ac_wallbox_80a_firmware. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27% of scored vulnerabilities.

Timeline

1. 17-05-2023
   PublishedVulnerability first disclosed.
2. 22-01-2025
   Last modifiedVulnerability information updated.

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.

• CWE-287Improper AuthenticationWhen an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.