diff --git a/conan/tools/sbom/cyclonedx.py b/conan/tools/sbom/cyclonedx.py
index 8e2f4b17194..ee880fc2927 100644
--- a/conan/tools/sbom/cyclonedx.py
+++ b/conan/tools/sbom/cyclonedx.py
@@ -61,7 +61,7 @@ def cyclonedx_1_4(conanfile, name=None, add_build=False, add_tests=False, **kwar
         **({"components": [{
             "author": node.conanfile.author or "Unknown",
             "bom-ref": _calculate_bomref(node),
-            "description": node.conanfile.description,
+            **({"description": node.conanfile.description} if node.conanfile.description else {}),
             **({"externalReferences": [{
                 "type": "website",
                 "url": node.conanfile.homepage
@@ -158,7 +158,7 @@ def cyclonedx_1_6(conanfile, name=None, add_build=False, add_tests=False, **kwar
         **({"components": [{
             **({"authors": [{"name": node.conanfile.author}]} if node.conanfile.author else {}),
             "bom-ref": _calculate_bomref(node),
-            "description": node.conanfile.description,
+            **({"description": node.conanfile.description} if node.conanfile.description else {}),
             **({"externalReferences": [{
                 "type": "website",
                 "url": node.conanfile.homepage
diff --git a/test/integration/sbom/test_cyclonedx.py b/test/integration/sbom/test_cyclonedx.py
index 4964d57fe0b..218d2a256f9 100644
--- a/test/integration/sbom/test_cyclonedx.py
+++ b/test/integration/sbom/test_cyclonedx.py
@@ -313,6 +313,7 @@ def requirements(self):
         cyclone_path = os.path.join(create_layout.metadata(), "sbom.cdx.json")
         content = tc.load(cyclone_path)
         content_json = json.loads(content)
+        assert "description" not in content_json["components"][0]
         if cyclone_version == 'cyclonedx_1_4':
             assert content_json["metadata"]["component"]["author"] == 'conan-dev'
             assert content_json["metadata"]["component"]["type"] == 'application'