Buffer overflow in Opensc Project

CVE-2021-34193

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

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.014 (72.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 72nd percentile — 72.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-34193: held from 0.014 to 0.014.

EPSS over last 30 days · oldest: 0.014 · newest: 0.014 · change: 0.000

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, 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.