CVE-2023-0248 json
Kantech Gen1 ioSmart card reader
published 2023-12-14 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-12329
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. ioSmart Gen1 1.07.02
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
cisa ICSA-23-348-02 updated cvss 7.5
Johnson Controls Kantech Gen1 ioSmart
-
Sensormatic Electronics, LLC, an affiliate of Johnson Controls Inc. Kantech Gen1 ioSmart card reader firmware <1.7.2affected: vendor fix, mitigation “Johnson Controls also makes the following recommendations and wishes to provide the following information:” kantech.com
From CISA ICS and IT advisories (CSAF, https://github.com/cisagov/CSAF), a U.S. Government work; changed: reduced to products, statuses and remediations. CISA notification · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.30% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:C/C:L/I:H/A:L |
| NVD | 3.1 | 5.3 | CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected products
- Sensormatic Electronics, a subsidiary of Johnson Controls, Inc. ioSmart Gen1
Classification
References
-
johnsoncontrols.com
/cyber-solutions/security-advisories
vendor-advisory
-
cisa.gov
/news-events/ics-advisories/icsa-23-348-02
third-party-advisory, us-government-resource
Sources
- CVE List CVE-2023-0248
- NVD CVE-2023-0248
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.