{"cve":"CVE-2023-4535","nvd":{"published":"2023-11-06T17:15:12.083","modified":"2026-06-17T06:38:02.110","status":"Modified","description":"An out-of-bounds read vulnerability was found in OpenSC packages within the MyEID driver when handling symmetric key encryption. Exploiting this flaw requires an attacker to have physical access to the computer and a specially crafted USB device or smart card. This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L","score":3.8},"cwes":["CWE-125"],"references":["https://access.redhat.com/errata/RHSA-2023:7879","https://access.redhat.com/security/cve/CVE-2023-4535","https://bugzilla.redhat.com/show_bug.cgi?id=2240914","https://github.com/OpenSC/OpenSC/commit/f1993dc4e0b33050b8f72a3558ee88b24c4063b2","https://github.com/OpenSC/OpenSC/issues/2792#issuecomment-1674806651"],"products":["fedoraproject:fedora","opensc_project:opensc","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:40:11.519948003+00:00"},"epss":{"cve":"CVE-2023-4535","score":0.00523,"percentile":0.44391,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}