diff --git a/bitnami/etcd/3.4/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh b/bitnami/etcd/3.4/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
index 3991aaab5620f..fe985afc8accf 100644
--- a/bitnami/etcd/3.4/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
+++ b/bitnami/etcd/3.4/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
@@ -307,7 +307,8 @@ etcdctl_auth_norbac_flags() {
         authFlags+=("--cert" "${ETCD_DATA_DIR}/fixtures/client/cert.pem" "--key" "${ETCD_DATA_DIR}/fixtures/client/key.pem")
     else
         [[ -f "$ETCD_CERT_FILE" ]] && [[ -f "$ETCD_KEY_FILE" ]] && authFlags+=("--cert" "$ETCD_CERT_FILE" "--key" "$ETCD_KEY_FILE")
-        [[ -f "$ETCD_TRUSTED_CA_FILE" ]] && authFlags+=("--cacert" "$ETCD_TRUSTED_CA_FILE")
+        # if CA file exists, then use CA to verify server certs; otherwise, just skip server certs verification
+        [[ -f "$ETCD_TRUSTED_CA_FILE" ]] && authFlags+=("--cacert" "$ETCD_TRUSTED_CA_FILE") || authFlags+=("--insecure-transport=false --insecure-skip-tls-verify=true")
     fi
     echo "${authFlags[*]}"
 }
diff --git a/bitnami/etcd/3.5/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh b/bitnami/etcd/3.5/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
index 3991aaab5620f..fe985afc8accf 100644
--- a/bitnami/etcd/3.5/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
+++ b/bitnami/etcd/3.5/debian-12/rootfs/opt/bitnami/scripts/libetcd.sh
@@ -307,7 +307,8 @@ etcdctl_auth_norbac_flags() {
         authFlags+=("--cert" "${ETCD_DATA_DIR}/fixtures/client/cert.pem" "--key" "${ETCD_DATA_DIR}/fixtures/client/key.pem")
     else
         [[ -f "$ETCD_CERT_FILE" ]] && [[ -f "$ETCD_KEY_FILE" ]] && authFlags+=("--cert" "$ETCD_CERT_FILE" "--key" "$ETCD_KEY_FILE")
-        [[ -f "$ETCD_TRUSTED_CA_FILE" ]] && authFlags+=("--cacert" "$ETCD_TRUSTED_CA_FILE")
+        # if CA file exists, then use CA to verify server certs; otherwise, just skip server certs verification
+        [[ -f "$ETCD_TRUSTED_CA_FILE" ]] && authFlags+=("--cacert" "$ETCD_TRUSTED_CA_FILE") || authFlags+=("--insecure-transport=false --insecure-skip-tls-verify=true")
     fi
     echo "${authFlags[*]}"
 }