CVE-2023-0248

HIGHNVD 7.57.5—

7.5

An attacker with physical access to the Kantech Gen1 ioSmart card reader with firmware version prior to 1.07.02 in certain circumstances can recover the reader's communication memory between the card and reader.

CVSS v3: 7.5
EG Score: 7.5(medium)
EPSS: 26.9%
KEV: Not listed

Published

December 14, 2023

Last Modified

November 21, 2024

References (4)

productsecurity@jcihttps://www.cisa.gov/news-events/ics-advisories/icsa-23-348-02
productsecurity@jcihttps://www.johnsoncontrols.com/cyber-solutions/security-advisories
af854a3a-2127-422b-91ae-364da2661108https://www.cisa.gov/news-events/ics-advisories/icsa-23-348-02
af854a3a-2127-422b-91ae-364da2661108https://www.johnsoncontrols.com/cyber-solutions/security-advisories

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 6× in last 7d / 18× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-04 13:11 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-02 20:12 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-06-01 13:50 UTCepss_batch
2026-05-29 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-28 13:43 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-27 13:39 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 13:43 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-26 07:17 UTCepss_batch
2026-05-24 12:04 UTCEG score recompute
2026-05-24 12:04 UTCGHSA enrichment

Frequently asked(5)

What is CVE-2023-0248?

CVE-2023-0248 is a high vulnerability published on December 14, 2023. An attacker with physical access to the Kantech Gen1 ioSmart card reader with firmware version prior to 1.07.02 in certain circumstances can recover the reader's communication memory between the card and reader.

When was CVE-2023-0248 disclosed?

CVE-2023-0248 was first published in the National Vulnerability Database on December 14, 2023, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2023-0248 actively exploited?

CVE-2023-0248 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 26.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2023-0248?

CVE-2023-0248 has a CVSS v3 base score of 7.5 (NVD).

How do I remediate CVE-2023-0248?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2023-0248, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2023-0248

📅 Published

🔄 Last Modified

🔗 References (4)

Weakness Classification(2)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2023-0248?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (4)

Frequently asked(5)

Related CVEs(same CWE)