Is CVE-2023-0863 in the CISA KEV catalog?

No. CVE-2023-0863 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2023-0863?

CVE-2023-0863 has a CVSS v3 base score of 8.8 (HIGH).

What is the EPSS score for CVE-2023-0863?

CVE-2023-0863 has an EPSS score of 0.35% (27th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2023-0863?

Upgrade terra ac wallbox 80a firmware to 1.5.6 or later. Fixes are available for 8 affected products.

CVE & CISA-KEV Catalog

CVE-2023-0863

HIGH

8.8

CVSS v3

NVD

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 Authentication

How to fix

Remediation Available

terra ac wallbox 80a firmwareNVD

Affected:>= 1.0.0, < 1.5.6Fixed in:1.5.6CVE-2023-0863derived from NVD

terra ac wallbox ce juno firmwareNVD

Affected:>= 1.0.0, < 1.6.6Fixed in:1.6.6CVE-2023-0863derived from NVD

terra ac wallbox ce mid firmwareNVD

Affected:>= 1.0.0, < 1.6.6Fixed in:1.6.6CVE-2023-0863derived from NVD

terra ac wallbox ce ptb firmwareNVD

Affected:>= 1.0.0, < 1.5.26Fixed in:1.5.26CVE-2023-0863derived from NVD

terra ac wallbox ce symbiosis firmwareNVD

Affected:>= 1.0.0, < 1.2.8Fixed in:1.2.8CVE-2023-0863derived from NVD

terra ac wallbox jp firmwareNVD

Affected:>= 1.0.0, < 1.6.6Fixed in:1.6.6CVE-2023-0863derived from NVD

terra ac wallbox ul32a firmwareNVD

Affected:>= 1.0.0, < 1.6.6Fixed in:1.6.6CVE-2023-0863derived from NVD

terra ac wallbox ul40 firmwareNVD

Affected:>= 1.0.0, < 1.5.6Fixed in:1.5.6CVE-2023-0863derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorAdjacent

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

0.35%probability of exploitation in 30 days

27thpercentile

Low risk: more likely to be exploited than 27% of all known CVEs.

References

Vendor Advisory1

search.abb.com

Related Vulnerabilities

Other CWE-287 (Improper Authentication) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-35082	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2023-35078	Critical	9.8	100%	KEV + Ransom	Fix
CVE-2017-7921	Critical	9.8	100%	KEV	-
CVE-2024-7593	Critical	9.8	100%	KEV	-
CVE-2023-46805	High	8.2	100%	KEV + Ransom	-
CVE-2022-40684	Critical	9.8	100%	KEV + Ransom	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.