diff --git a/app/Model/Attribute.php b/app/Model/Attribute.php
index 55ed843f9..6f0379a8c 100644
--- a/app/Model/Attribute.php
+++ b/app/Model/Attribute.php
@@ -1000,6 +1000,7 @@ class Attribute extends AppModel {
 				}
 				break;
 			case 'vulnerability':
+				$value = str_replace('–', '-', $value);
 				if (preg_match("#^(CVE-)[0-9]{4}(-)[0-9]{4,6}$#", $value)) {
 					$returnValue = true;
 				} else {
@@ -1025,10 +1026,10 @@ class Attribute extends AppModel {
 			case 'pattern-in-file':
 			case 'pattern-in-traffic':
 			case 'pattern-in-memory':
-            case 'yara':
-            case 'stix2-pattern':
-            case 'sigma':
-            case 'gene':
+      case 'yara':
+      case 'stix2-pattern':
+      case 'sigma':
+      case 'gene':
 			case 'cookie':
 			case 'attachment':
 			case 'malware-sample':
@@ -1071,8 +1072,8 @@ class Attribute extends AppModel {
 			case 'filename':
 			case 'pdb':
 			case 'windows-scheduled-task':
-            case 'whois-registrant-name':
-            case 'whois-registrant-org':
+      case 'whois-registrant-name':
+      case 'whois-registrant-org':
 			case 'whois-registrar':
 			case 'whois-creation-date':
 			case 'first-name':