Buffer overflow in Opensc_project Opensc

CVE-2021-34193

Stack overflow vulnerability in OpenSC smart card middleware before 0.23 via crafted responses to APDUs.

Vulnerability class: Buffer Overflow

EPSS: 0.011 (63.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-34193?
CVE-2021-34193 is a high-severity vulnerability in Opensc_project Opensc, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2023-08-22.
How severe is CVE-2021-34193?
High severity. CVSS v3 base score is 7.5 out of 10.