diff --git a/2021/35xxx/CVE-2021-35052.json b/2021/35xxx/CVE-2021-35052.json
index 94dd9d51df7..e03f3d0e80c 100644
--- a/2021/35xxx/CVE-2021-35052.json
+++ b/2021/35xxx/CVE-2021-35052.json
@@ -48,6 +48,11 @@
                 "refsource": "MISC",
                 "name": "https://support.kaspersky.com/general/vulnerability.aspx?el=12430#221121",
                 "url": "https://support.kaspersky.com/general/vulnerability.aspx?el=12430#221121"
+            },
+            {
+                "refsource": "MISC",
+                "name": "https://www.zerodayinitiative.com/advisories/ZDI-21-1335/",
+                "url": "https://www.zerodayinitiative.com/advisories/ZDI-21-1335/"
             }
         ]
     },