CVE-2014-2903

medium

Description

CyaSSL does not check the key usage extension in leaf certificates, which allows remote attackers to spoof servers via a crafted server certificate not authorized for use in an SSL/TLS handshake.

References

Advisories

http://www.openwall.com/lists/oss-security/2014/04/18/2

http://secunia.com/advisories/62604

Details

Source: Mitre, NVD

Published: 2017-10-06

Updated: 2026-05-13

Risk Information

CVSS v2

Base Score: 4.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 5.9

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N