Cyber Resilience

CVE-2023-0863

High

Published: 17 May 2023

Published
17 May 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 8.8 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0022 44.7th percentile
Risk Priority 18 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-0863 is a high-severity Improper Authentication (CWE-287) vulnerability in Abb Terra Ac Wallbox Ul40 Firmware. Its CVSS base score is 8.8 (High).

Operationally, ranked at the 44.7th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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…

more

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(s)

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

abb
terra ac wallbox ul40 firmware
1.0.0 — 1.5.6
abb
terra ac wallbox 80a firmware
1.0.0 — 1.5.6
abb
terra ac wallbox ul32a firmware
1.0.0 — 1.6.6
abb
terra ac wallbox jp firmware
1.0.0 — 1.6.6
abb
terra ac wallbox ce mid firmware
1.0.0 — 1.6.6
abb
terra ac wallbox ce juno firmware
1.0.0 — 1.6.6
abb
terra ac wallbox ce ptb firmware
1.0.0 — 1.5.26
abb
terra ac wallbox ce symbiosis firmware
1.0.0 — 1.2.8

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

addresses: CWE-287

Detects unauthorized successful logons resulting from improper authentication implementations.

addresses: CWE-287

Documented procedures ensure personnel are trained on authentication mechanisms, tangibly lowering the risk of improper authentication being exploited.

addresses: CWE-287

Security awareness training instructs users on secure authentication practices and avoiding credential compromise.

addresses: CWE-287

Training on authentication mechanisms and best practices decreases the occurrence of improper authentication.

addresses: CWE-287

Non-repudiation requires strong authentication mechanisms to irrefutably attribute performed actions to specific individuals or processes.

addresses: CWE-287

Session content review can reveal authentication bypasses or failures in session establishment.

addresses: CWE-287

Review of authentication-related audit records can detect improper authentication mechanisms or bypasses.

addresses: CWE-287

Assessments check authentication mechanisms for correct implementation and effectiveness, reducing successful authentication bypass attempts.

References