Vulnerabilities > Redhat > RHN Client Tools > Medium
| DATE | CVE | VULNERABILITY TITLE | RISK |
|---|---|---|---|
| 2018-04-12 | CVE-2015-1777 | Improper Certificate Validation vulnerability in Redhat Rhn-Client-Tools rhnreg_ks in Red Hat Network Client Tools (aka rhn-client-tools) on Red Hat Gluster Storage 2.1 and Enterprise Linux (RHEL) 5, 6, and 7 does not properly validate hostnames in X.509 certificates from SSL servers, which allows remote attackers to prevent system registration via a man-in-the-middle attack. | 4.3 |