diff --git a/2021/37xxx/CVE-2021-37631.json b/2021/37xxx/CVE-2021-37631.json
index 0c9f3f82dbd..71b6e168b71 100644
--- a/2021/37xxx/CVE-2021-37631.json
+++ b/2021/37xxx/CVE-2021-37631.json
@@ -1,18 +1,104 @@
 {
-    "data_type": "CVE",
-    "data_format": "MITRE",
-    "data_version": "4.0",
     "CVE_data_meta": {
+        "ASSIGNER": "security-advisories@github.com",
         "ID": "CVE-2021-37631",
-        "ASSIGNER": "cve@mitre.org",
-        "STATE": "RESERVED"
+        "STATE": "PUBLIC",
+        "TITLE": "Circle can be accessed by non-Circle members in Nextcloud Deck"
     },
+    "affects": {
+        "vendor": {
+            "vendor_data": [
+                {
+                    "product": {
+                        "product_data": [
+                            {
+                                "product_name": "security-advisories",
+                                "version": {
+                                    "version_data": [
+                                        {
+                                            "version_value": "< 1.2.9"
+                                        },
+                                        {
+                                            "version_value": ">= 1.3.0, < 1.4.4"
+                                        },
+                                        {
+                                            "version_value": ">= 1.5.0, < 1.5.1"
+                                        }
+                                    ]
+                                }
+                            }
+                        ]
+                    },
+                    "vendor_name": "nextcloud"
+                }
+            ]
+        }
+    },
+    "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": "Deck is an open source kanban style organization tool aimed at personal planning and project organization for teams integrated with Nextcloud. In affected versions the Deck application didn't properly check membership of users in a Circle. This allowed other users in the instance to gain access to boards that have been shared with a Circle, even if the user was not a member of the circle. It is recommended that Nextcloud Deck is upgraded to 1.5.1, 1.4.4 or 1.2.9. If you are unable to update it is advised to disable the Deck plugin.\n"
             }
         ]
+    },
+    "impact": {
+        "cvss": {
+            "attackComplexity": "LOW",
+            "attackVector": "NETWORK",
+            "availabilityImpact": "NONE",
+            "baseScore": 6.5,
+            "baseSeverity": "MEDIUM",
+            "confidentialityImpact": "HIGH",
+            "integrityImpact": "NONE",
+            "privilegesRequired": "LOW",
+            "scope": "UNCHANGED",
+            "userInteraction": "NONE",
+            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
+            "version": "3.1"
+        }
+    },
+    "problemtype": {
+        "problemtype_data": [
+            {
+                "description": [
+                    {
+                        "lang": "eng",
+                        "value": "CWE-639: Authorization Bypass Through User-Controlled Key"
+                    }
+                ]
+            }
+        ]
+    },
+    "references": {
+        "reference_data": [
+            {
+                "name": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4mxp-j277-82hr",
+                "refsource": "CONFIRM",
+                "url": "https://github.com/nextcloud/security-advisories/security/advisories/GHSA-4mxp-j277-82hr"
+            },
+            {
+                "name": "https://github.com/nextcloud/deck/pull/3217",
+                "refsource": "MISC",
+                "url": "https://github.com/nextcloud/deck/pull/3217"
+            },
+            {
+                "name": "https://hackerone.com/reports/1256021",
+                "refsource": "MISC",
+                "url": "https://hackerone.com/reports/1256021"
+            },
+            {
+                "name": "https://hackerone.com/reports/1280931",
+                "refsource": "MISC",
+                "url": "https://hackerone.com/reports/1280931"
+            }
+        ]
+    },
+    "source": {
+        "advisory": "GHSA-4mxp-j277-82hr",
+        "discovery": "UNKNOWN"
     }
 }
\ No newline at end of file