TinySSL 1.02 and earlier does not verify the Basic Constraints for an intermediate CA-signed certificate, which allows remote attackers to spoof the certificates of trusted sites via a man-in-the-middle attack.
https://exchange.xforce.ibmcloud.com/vulnerabilities/9776
http://marc.info/?l=bugtraq&m=102866120821995&w=2
Source: Mitre, NVD
Published: 2003-04-11
Updated: 2026-04-16
Base Score: 7.5
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P
Severity: High
Base Score: 5.9
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:N
Severity: Medium
EPSS: 0.00479