CVE-2025-66215 is a stack-buffer-overflow vulnerability in OpenSC versions prior to 0.27.0, specifically affecting the card-oberthur component during token usage. Rated Medium with a CVSS score of 6.8, exploitation requires physical access to the computer and a specially crafted USB device or smart card. This attack could lead to high impacts on confidentiality, integrity, and availability. There is currently no known active exploitation, public exploit code, or significant community discussion beyond a patch mention. The issue has been resolved in OpenSC version 0.27.0.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 0.27.0CPE matchmatch criteria | cpe:2.3:a:opensc_project:opensc:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:P/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:L
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
The average CVE in this peer group has 0.2 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.