CVE-2021-43392 is a medium-severity vulnerability affecting STMicroelectronics STSAFE-J and J-SAFE3 Java Card platforms, specifically versions 1.1.4 and 1.2.5 respectively, where the ECDSA signature algorithm can expose cryptographic secrets. The vulnerability has a CVSS score of 6.2, indicating a local attack vector with low complexity, potentially leading to high confidentiality impact. There is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.2.5CPE matchmatch criteria | cpe:2.3:o:st:j-safe3_firmware:1.2.5:*:*:*:*:*:*:* | ||
1.1.4CPE matchmatch criteria | cpe:2.3:o:st:stsafe-j_firmware:1.1.4:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.4 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.