diff --git a/2021/3xxx/CVE-2021-3776.json b/2021/3xxx/CVE-2021-3776.json
index 8e9884c426f..fe2bc2049fa 100644
--- a/2021/3xxx/CVE-2021-3776.json
+++ b/2021/3xxx/CVE-2021-3776.json
@@ -1,18 +1,89 @@
 {
-    "data_type": "CVE",
-    "data_format": "MITRE",
-    "data_version": "4.0",
     "CVE_data_meta": {
+        "ASSIGNER": "security@huntr.dev",
         "ID": "CVE-2021-3776",
-        "ASSIGNER": "cve@mitre.org",
-        "STATE": "RESERVED"
+        "STATE": "PUBLIC",
+        "TITLE": "Cross-Site Request Forgery (CSRF) in star7th/showdoc"
     },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "star7th/showdoc",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_affected": "<=",
+                                            "version_value": "2.9.12"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "star7th"
+                }
+            ]
+        }
+    },
+    "data_format": "MITRE",
+    "data_type": "CVE",
+    "data_version": "4.0",
     "description": {
         "description_data": [
             {
                 "lang": "eng",
-                "value": "** RESERVED ** This candidate has been reserved by an organization or individual that will use it when announcing a new security problem. When the candidate has been publicized, the details for this candidate will be provided."
+                "value": "showdoc is vulnerable to Cross-Site Request Forgery (CSRF)"
             }
         ]
+    },
+    "impact": {
+        "cvss": {
+            "attackComplexity": "LOW",
+            "attackVector": "NETWORK",
+            "availabilityImpact": "LOW",
+            "baseScore": 4.3,
+            "baseSeverity": "MEDIUM",
+            "confidentialityImpact": "NONE",
+            "integrityImpact": "NONE",
+            "privilegesRequired": "NONE",
+            "scope": "UNCHANGED",
+            "userInteraction": "REQUIRED",
+            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L",
+            "version": "3.0"
+        }
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "CWE-352 Cross-Site Request Forgery (CSRF)"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "name": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304",
+                "refsource": "CONFIRM",
+                "url": "https://huntr.dev/bounties/e0edf27d-437e-44fe-907a-df020f385304"
+            },
+            {
+                "name": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351",
+                "refsource": "MISC",
+                "url": "https://github.com/star7th/showdoc/commit/67093c879a6563aa6ee08003177777d1975e2351"
+            }
+        ]
+    },
+    "source": {
+        "advisory": "e0edf27d-437e-44fe-907a-df020f385304",
+        "discovery": "EXTERNAL"
     }
-}
\ No newline at end of file
+}