CVE-2023-0863

8.8 HIGH 0.3% exploit odds Fix listed

What it is

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.

At a glance

Exploitability: Can be exploited from the same network segment without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 0.3% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2023-05-17 08:15 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-17 05:26 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 0.3% in the next 30 days (EPSS).
Severity: 8.8 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2023-05-17 08:15 UTC
Last modified: 2026-06-17 05:26 UTC
Exploit probability: 0.3% · EPSS, next 30 days
Weakness: CWE-287 · Improper authentication
Record status: Modified

Affected

Abb Terra Ac Wallbox ul40 Firmware < 1.5.6
Abb Terra Ac Wallbox 80a Firmware < 1.5.6
Abb Terra Ac Wallbox ul32a Firmware < 1.6.6
Abb Terra Ac Wallbox Jp Firmware < 1.6.6
Abb Terra Ac Wallbox Ce Mid Firmware < 1.6.6
Abb Terra Ac Wallbox Ce Juno Firmware < 1.6.6
Abb Terra Ac Wallbox Ce Ptb Firmware < 1.5.26
Abb Terra Ac Wallbox Ce Symbiosis Firmware < 1.2.8

Attack profile CVSS 3.1 · 8.8

Attack vector: Adjacent network
Complexity: Low
Privileges needed: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

Raw vector

CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Is it in your code?

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Fix and advisories

References

NVD record · CVE.org record