3509947 - SAP Cloud connector - Certificate contains unsupported DNS name: xxx issue

When establishing a connection between the cloud connector and the ABAP system, the following error was found in the cloud connector (ljs_trace.log / scc_core.trc) files.

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Caused by: com.sap.core.connectivity.spi.ssl.SSLHandshakeException: Invalid server certificate
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.assertServerCertificate(SSLHandshakeValidator.java:55)
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.operationComplete(SSLHandshakeValidator.java:43)
    ... 31 common frames omitted
Caused by: java.lang.IllegalArgumentException: Certificate contains unsupported DNS name: xxx_xxx.xx
    at com.sap.core.connectivity.spi.util.CertificateUtils.assertDNSName(CertificateUtils.java:338)
    at com.sap.core.connectivity.spi.util.CertificateUtils.assertDNSNames(CertificateUtils.java:258)
    at com.sap.core.connectivity.spi.ssl.SSLHandshakeValidator.assertServerCertificate(SSLHandshakeValidator.java:53)
    ... 32 common frames omitted
====

SAP cloud connector(SCC) versions between 2.16.2 and 2.18.0.

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