Cyber Resilience

CVE-2023-4535

Medium

Published: 06 November 2023

Published
06 November 2023
Modified
21 November 2024
KEV Added
Patch
CVSS Score v3.1 4.5 CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:L
EPSS Score 0.0024 47.0th percentile
Risk Priority 9 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2023-4535 is a medium-severity Out-of-bounds Read (CWE-125) vulnerability in Opensc Project Opensc. Its CVSS base score is 4.5 (Medium).

Operationally, ranked at the 47.0th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

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.…

more

This flaw allows the attacker to manipulate APDU responses and potentially gain unauthorized access to sensitive data, compromising the system's security.

CWE(s)

Related Threats

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

Affected Assets

opensc project
opensc
0.23.0
fedoraproject
fedora
38, 39
redhat
enterprise linux
9.0

Mitigating Controls

No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.

References