diff --git a/modules/criteoBidAdapter.js b/modules/criteoBidAdapter.js
index 320d85262449..81da55ebf677 100755
--- a/modules/criteoBidAdapter.js
+++ b/modules/criteoBidAdapter.js
@@ -4,7 +4,7 @@ import { parse } from 'src/url';
 import * as utils from 'src/utils';
 import find from 'core-js/library/fn/array/find';
 
-const ADAPTER_VERSION = 7;
+const ADAPTER_VERSION = 8;
 const BIDDER_CODE = 'criteo';
 const CDB_ENDPOINT = '//bidder.criteo.com/cdb';
 const CRITEO_VENDOR_ID = 91;
@@ -208,12 +208,17 @@ function buildCdbRequest(context, bidRequests, bidderRequest) {
     request.publisher.networkid = networkId;
   }
   if (bidderRequest && bidderRequest.gdprConsent) {
-    request.gdprConsent = {
-      gdprApplies: !!(bidderRequest.gdprConsent.gdprApplies),
-      consentData: bidderRequest.gdprConsent.consentString,
-      consentGiven: !!(bidderRequest.gdprConsent.vendorData && bidderRequest.gdprConsent.vendorData.vendorConsents &&
-        bidderRequest.gdprConsent.vendorData.vendorConsents[ CRITEO_VENDOR_ID.toString(10) ]),
-    };
+    request.gdprConsent = {};
+    if (typeof bidderRequest.gdprConsent.gdprApplies !== 'undefined') {
+      request.gdprConsent.gdprApplies = !!(bidderRequest.gdprConsent.gdprApplies);
+    }
+    if (bidderRequest.gdprConsent.vendorData && bidderRequest.gdprConsent.vendorData.vendorConsents &&
+      typeof bidderRequest.gdprConsent.vendorData.vendorConsents[ CRITEO_VENDOR_ID.toString(10) ] !== 'undefined') {
+      request.gdprConsent.consentGiven = !!(bidderRequest.gdprConsent.vendorData.vendorConsents[ CRITEO_VENDOR_ID.toString(10) ]);
+    }
+    if (typeof bidderRequest.gdprConsent.consentString !== 'undefined') {
+      request.gdprConsent.consentData = bidderRequest.gdprConsent.consentString;
+    }
   }
   return request;
 }
diff --git a/test/spec/modules/criteoBidAdapter_spec.js b/test/spec/modules/criteoBidAdapter_spec.js
index ccf683dc4cad..e855c828b1f2 100755
--- a/test/spec/modules/criteoBidAdapter_spec.js
+++ b/test/spec/modules/criteoBidAdapter_spec.js
@@ -126,7 +126,7 @@ describe('The Criteo bidding adapter', () => {
       expect(ortbRequest.slots[0].sizes[1]).to.equal('728x90');
       expect(ortbRequest.gdprConsent.consentData).to.equal(undefined);
       expect(ortbRequest.gdprConsent.gdprApplies).to.equal(false);
-      expect(ortbRequest.gdprConsent.consentGiven).to.equal(false);
+      expect(ortbRequest.gdprConsent.consentGiven).to.equal(undefined);
     });
 
     it('should properly build a mixed request', () => {
@@ -169,6 +169,29 @@ describe('The Criteo bidding adapter', () => {
       expect(ortbRequest.slots[1].sizes[1]).to.equal('728x90');
       expect(ortbRequest.gdprConsent).to.equal(undefined);
     });
+
+    it('should properly build request with undefined gdpr consent fields when they are not provided', () => {
+      const bidRequests = [
+        {
+          bidder: 'criteo',
+          adUnitCode: 'bid-123',
+          transactionId: 'transaction-123',
+          sizes: [[728, 90]],
+          params: {
+            zoneId: 123,
+          },
+        },
+      ];
+      const bidderRequest = { timeout: 3000,
+        gdprConsent: {
+        },
+      };
+
+      const ortbRequest = spec.buildRequests(bidRequests, bidderRequest).data;
+      expect(ortbRequest.gdprConsent.consentData).to.equal(undefined);
+      expect(ortbRequest.gdprConsent.gdprApplies).to.equal(undefined);
+      expect(ortbRequest.gdprConsent.consentGiven).to.equal(undefined);
+    });
   });
 
   describe('interpretResponse', () => {