Getting error "[Errno 14] curl#60 - Peer's certificate issuer has been marked as not trusted by the user" after running yum makecache on RHEL 7.0

Issue

• Getting following error while running yum makecache

        # yum makecache
        Loaded plugins: langpacks, product-id, subscription-manager
        https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/repodata/repomd.xml: [Errno 14] curl#60 - "Peer's certificate issuer has been marked as  not trusted by the user."
        Trying other mirror.
        rhel-7-server-rpms/7Server/x86 FAILED
        https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/repodata/8186aed2eb250fcfa05b86dac3359aa8af7e5652-other.sqlite.bz2: [Errno 14] curl#60 - "Peer's certificate issuer has been marked as not trusted by the user."
        Trying other mirror.
        rhel-7-server-rpms/7Server/x86 FAILED
        https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/repodata/a997515513a9282a62ffc693b9fa84f8c91a2456-filelists.sqlite.bz2: [Errno 14] curl#60 - "Peer's certificate issuer has been marked as not trusted by the user."
        Trying other mirror.
        https://cdn.redhat.com/content/dist/rhel/server/7/7Server/x86_64/os/repodata/a997515513a9282a62ffc693b9fa84f8c91a2456-filelists.sqlite.bz2: [Errno 14]         curl#60 - "Peer's certificate issuer has been marked as not trusted by the user."