diff --git a/2020/15xxx/CVE-2020-15902.json b/2020/15xxx/CVE-2020-15902.json
index 555c730dcbd..e1a8dd9cb6e 100644
--- a/2020/15xxx/CVE-2020-15902.json
+++ b/2020/15xxx/CVE-2020-15902.json
@@ -61,6 +61,11 @@
                 "refsource": "MISC",
                 "name": "https://www.nagios.com/products/security/",
                 "url": "https://www.nagios.com/products/security/"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://insinuator.net/2020/07/security-advisories-for-nagios-xi/",
+                "url": "https://insinuator.net/2020/07/security-advisories-for-nagios-xi/"
             }
         ]
     }