diff --git a/homeassistant/components/mqtt/cover.py b/homeassistant/components/mqtt/cover.py
index 0a78a102a13..fd3e36c04e1 100644
--- a/homeassistant/components/mqtt/cover.py
+++ b/homeassistant/components/mqtt/cover.py
@@ -101,6 +101,13 @@ TILT_FEATURES = (
     | SUPPORT_SET_TILT_POSITION
 )
 
+MQTT_COVER_ATTRIBUTES_BLOCKED = frozenset(
+    {
+        cover.ATTR_CURRENT_POSITION,
+        cover.ATTR_CURRENT_TILT_POSITION,
+    }
+)
+
 
 def validate_options(value):
     """Validate options.
@@ -219,6 +226,8 @@ async def _async_setup_entity(
 class MqttCover(MqttEntity, CoverEntity):
     """Representation of a cover that can be controlled using MQTT."""
 
+    _attributes_extra_blocked = MQTT_COVER_ATTRIBUTES_BLOCKED
+
     def __init__(self, hass, config, config_entry, discovery_data):
         """Initialize the cover."""
         self._position = None
diff --git a/tests/components/mqtt/test_cover.py b/tests/components/mqtt/test_cover.py
index c5a8552dc20..7d763895428 100644
--- a/tests/components/mqtt/test_cover.py
+++ b/tests/components/mqtt/test_cover.py
@@ -20,6 +20,7 @@ from homeassistant.components.mqtt.cover import (
     CONF_TILT_COMMAND_TOPIC,
     CONF_TILT_STATUS_TEMPLATE,
     CONF_TILT_STATUS_TOPIC,
+    MQTT_COVER_ATTRIBUTES_BLOCKED,
     MqttCover,
 )
 from homeassistant.const import (
@@ -62,6 +63,7 @@ from .test_common import (
     help_test_entity_id_update_subscriptions,
     help_test_setting_attribute_via_mqtt_json_message,
     help_test_setting_attribute_with_template,
+    help_test_setting_blocked_attribute_via_mqtt_json_message,
     help_test_unique_id,
     help_test_update_with_json_attrs_bad_JSON,
     help_test_update_with_json_attrs_not_dict,
@@ -2307,6 +2309,13 @@ async def test_setting_attribute_via_mqtt_json_message(hass, mqtt_mock):
     )
 
 
+async def test_setting_blocked_attribute_via_mqtt_json_message(hass, mqtt_mock):
+    """Test the setting of attribute via MQTT with JSON payload."""
+    await help_test_setting_blocked_attribute_via_mqtt_json_message(
+        hass, mqtt_mock, cover.DOMAIN, DEFAULT_CONFIG, MQTT_COVER_ATTRIBUTES_BLOCKED
+    )
+
+
 async def test_setting_attribute_with_template(hass, mqtt_mock):
     """Test the setting of attribute via MQTT with JSON payload."""
     await help_test_setting_attribute_with_template(