[client] Support of KEV field for vulnerability entity (#7390)

Author: ValentinBouzinFiligran

pycti/entities/opencti_vulnerability.py

@@ -105,6 +105,7 @@ def __init__(self, opencti):
             x_opencti_cvss_integrity_impact
             x_opencti_cvss_availability_impact
             x_opencti_cvss_confidentiality_impact
+            x_opencti_cisa_kev
             importFiles {
                 edges {
                     node {
@@ -283,6 +284,7 @@ def create(self, **kwargs):
         x_opencti_cvss_base_score = kwargs.get("x_opencti_cvss_base_score", None)
         x_opencti_cvss_base_severity = kwargs.get("x_opencti_cvss_base_severity", None)
         x_opencti_cvss_attack_vector = kwargs.get("x_opencti_cvss_attack_vector", None)
+        x_opencti_cisa_kev = kwargs.get("x_opencti_cisa_kev", None)
         x_opencti_cvss_integrity_impact = kwargs.get(
             "x_opencti_cvss_integrity_impact", None
         )
@@ -333,6 +335,7 @@ def create(self, **kwargs):
                         "x_opencti_cvss_integrity_impact": x_opencti_cvss_integrity_impact,
                         "x_opencti_cvss_availability_impact": x_opencti_cvss_availability_impact,
                         "x_opencti_cvss_confidentiality_impact": x_opencti_cvss_confidentiality_impact,
+                        "x_opencti_cisa_kev": x_opencti_cisa_kev,
                         "x_opencti_stix_ids": x_opencti_stix_ids,
                         "x_opencti_workflow_id": x_opencti_workflow_id,
                         "update": update,
@@ -437,6 +440,11 @@ def import_from_stix2(self, **kwargs):
                 stix_object["x_opencti_workflow_id"] = (
                     self.opencti.get_attribute_in_extension("workflow_id", stix_object)
                 )
+            if "x_opencti_cisa_kev" not in stix_object:
+                stix_object["x_opencti_cisa_kev"] = (
+                    self.opencti.get_attribute_in_extension("cisa_kev", stix_object)
+                )
+
             return self.create(
                 stix_id=stix_object["id"],
                 createdBy=(
@@ -518,6 +526,11 @@ def import_from_stix2(self, **kwargs):
                     if "x_opencti_workflow_id" in stix_object
                     else None
                 ),
+                x_opencti_cisa_kev=(
+                    stix_object["x_opencti_cisa_kev"]
+                    if "x_opencti_cisa_kev" in stix_object
+                    else None
+                ),
                 update=update,
             )
         else: