diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index d453c803e27..71aae915595 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -112,6 +112,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Fixed activemq module causing "regular expression has redundant nested repeat operator" warning in Elasticsearch. {pull}17428[17428]
 - Remove migrationVersion map 7.7.0 reference from Kibana dashboard file to fix backward compatibility issues. {pull}17425[17425]
 - Fix issue 17734 to retry on rate-limit error in the Filebeat httpjson input. {issue}17734[17734] {pull}17735[17735]
+- Fixed `cloudfoundry.access` to have the correct `cloudfoundry.app.id` contents. {pull}17847[17847]
 
 *Heartbeat*
 
diff --git a/x-pack/libbeat/common/cloudfoundry/events.go b/x-pack/libbeat/common/cloudfoundry/events.go
index c588491f6f7..e946499c49e 100644
--- a/x-pack/libbeat/common/cloudfoundry/events.go
+++ b/x-pack/libbeat/common/cloudfoundry/events.go
@@ -5,6 +5,7 @@
 package cloudfoundry
 
 import (
+	"encoding/binary"
 	"fmt"
 	"net/url"
 	"strings"
@@ -377,18 +378,14 @@ func newEventBase(env *events.Envelope) eventBase {
 
 func newEventHttpAccess(env *events.Envelope) *EventHttpAccess {
 	msg := env.GetHttpStartStop()
-	appID := ""
-	if msg.ApplicationId != nil {
-		appID = msg.ApplicationId.String()
-	}
 	return &EventHttpAccess{
 		eventAppBase: eventAppBase{
 			eventBase: newEventBase(env),
-			appGuid:   appID,
+			appGuid:   formatUUID(msg.ApplicationId),
 		},
 		startTimestamp: time.Unix(0, *msg.StartTimestamp),
 		stopTimestamp:  time.Unix(0, *msg.StopTimestamp),
-		requestID:      msg.RequestId.String(),
+		requestID:      formatUUID(msg.RequestId),
 		peerType:       strings.ToLower(msg.PeerType.String()),
 		method:         msg.Method.String(),
 		uri:            *msg.Uri,
@@ -525,3 +522,13 @@ func urlMap(uri string) common.MapStr {
 		"domain":   u.Hostname(),
 	}
 }
+
+func formatUUID(uuid *events.UUID) string {
+	if uuid == nil {
+		return ""
+	}
+	var uuidBytes [16]byte
+	binary.LittleEndian.PutUint64(uuidBytes[:8], uuid.GetLow())
+	binary.LittleEndian.PutUint64(uuidBytes[8:], uuid.GetHigh())
+	return fmt.Sprintf("%x-%x-%x-%x-%x", uuidBytes[0:4], uuidBytes[4:6], uuidBytes[6:8], uuidBytes[8:10], uuidBytes[10:])
+}
diff --git a/x-pack/libbeat/common/cloudfoundry/events_test.go b/x-pack/libbeat/common/cloudfoundry/events_test.go
new file mode 100644
index 00000000000..e4fe6f39caf
--- /dev/null
+++ b/x-pack/libbeat/common/cloudfoundry/events_test.go
@@ -0,0 +1,402 @@
+// Copyright Elasticsearch B.V. and/or licensed to Elasticsearch B.V. under one
+// or more contributor license agreements. Licensed under the Elastic License;
+// you may not use this file except in compliance with the Elastic License.
+
+// +build !integration
+
+package cloudfoundry
+
+import (
+	"testing"
+	"time"
+
+	"github.com/elastic/beats/v7/libbeat/common"
+
+	"github.com/cloudfoundry/sonde-go/events"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestEventTypeHttpAccess(t *testing.T) {
+	eventType := events.Envelope_HttpStartStop
+	startTimestamp := int64(1587469726082)
+	stopTimestamp := int64(1587469875895)
+	peerType := events.PeerType_Client
+	method := events.Method_GET
+	uri := "https://uri.full-domain.com:8443/subpath"
+	remoteAddress := "remote_address"
+	userAgent := "user_agent"
+	statusCode := int32(200)
+	contentLength := int64(128)
+	appID := makeUUID()
+	instanceIdx := int32(1)
+	instanceID := "instance_id"
+	forwarded := []string{"forwarded"}
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.HttpStartStop = &events.HttpStartStop{
+		StartTimestamp: &startTimestamp,
+		StopTimestamp:  &stopTimestamp,
+		RequestId:      makeUUID(),
+		PeerType:       &peerType,
+		Method:         &method,
+		Uri:            &uri,
+		RemoteAddress:  &remoteAddress,
+		UserAgent:      &userAgent,
+		StatusCode:     &statusCode,
+		ContentLength:  &contentLength,
+		ApplicationId:  appID,
+		InstanceIndex:  &instanceIdx,
+		InstanceId:     &instanceID,
+		Forwarded:      forwarded,
+	}
+	evt := newEventHttpAccess(cfEvt)
+
+	assert.Equal(t, EventTypeHttpAccess, evt.EventType())
+	assert.Equal(t, "access", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "f47ac10b-58cc-4372-a567-0e02b2c3d479", evt.AppGuid())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.StartTimestamp())
+	assert.Equal(t, time.Unix(0, 1587469875895), evt.StopTimestamp())
+	assert.Equal(t, "f47ac10b-58cc-4372-a567-0e02b2c3d479", evt.RequestID())
+	assert.Equal(t, "client", evt.PeerType())
+	assert.Equal(t, "GET", evt.Method())
+	assert.Equal(t, "https://uri.full-domain.com:8443/subpath", evt.URI())
+	assert.Equal(t, "remote_address", evt.RemoteAddress())
+	assert.Equal(t, "user_agent", evt.UserAgent())
+	assert.Equal(t, int32(200), evt.StatusCode())
+	assert.Equal(t, int64(128), evt.ContentLength())
+	assert.Equal(t, int32(1), evt.InstanceIndex())
+	assert.Equal(t, []string{"forwarded"}, evt.Forwarded())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "access",
+			"access": common.MapStr{
+				"timestamp": time.Unix(0, 1587469726082),
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+			"app": common.MapStr{
+				"id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
+			},
+		},
+		"http": common.MapStr{
+			"response": common.MapStr{
+				"status_code": int32(200),
+				"method":      "GET",
+				"bytes":       int64(128),
+			},
+		},
+		"user_agent": common.MapStr{
+			"original": "user_agent",
+		},
+		"url": common.MapStr{
+			"original": "https://uri.full-domain.com:8443/subpath",
+			"scheme":   "https",
+			"port":     "8443",
+			"path":     "/subpath",
+			"domain":   "uri.full-domain.com",
+		},
+	}, evt.ToFields())
+}
+
+func TestEventTypeLog(t *testing.T) {
+	eventType := events.Envelope_LogMessage
+	message := "log message"
+	messageType := events.LogMessage_OUT
+	timestamp := int64(1587469726082)
+	appID := "f47ac10b-58cc-4372-a567-0e02b2c3d479"
+	sourceType := "source_type"
+	sourceInstance := "source_instance"
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.LogMessage = &events.LogMessage{
+		Message:        []byte(message),
+		MessageType:    &messageType,
+		Timestamp:      &timestamp,
+		AppId:          &appID,
+		SourceType:     &sourceType,
+		SourceInstance: &sourceInstance,
+	}
+	evt := newEventLog(cfEvt)
+
+	assert.Equal(t, EventTypeLog, evt.EventType())
+	assert.Equal(t, "log", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "f47ac10b-58cc-4372-a567-0e02b2c3d479", evt.AppGuid())
+	assert.Equal(t, "log message", evt.Message())
+	assert.Equal(t, EventLogMessageTypeStdout, evt.MessageType())
+	assert.Equal(t, "source_type", evt.SourceType())
+	assert.Equal(t, "source_instance", evt.SourceID())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "log",
+			"log": common.MapStr{
+				"timestamp": time.Unix(0, 1587469726082),
+				"source": common.MapStr{
+					"instance": evt.SourceID(),
+					"type":     evt.SourceType(),
+				},
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+			"app": common.MapStr{
+				"id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
+			},
+		},
+		"message": "log message",
+		"stream":  "stdout",
+	}, evt.ToFields())
+}
+
+func TestEventCounter(t *testing.T) {
+	eventType := events.Envelope_CounterEvent
+	name := "name"
+	delta := uint64(10)
+	total := uint64(999)
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.CounterEvent = &events.CounterEvent{
+		Name:  &name,
+		Delta: &delta,
+		Total: &total,
+	}
+	evt := newEventCounter(cfEvt)
+
+	assert.Equal(t, EventTypeCounter, evt.EventType())
+	assert.Equal(t, "counter", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "name", evt.Name())
+	assert.Equal(t, uint64(10), evt.Delta())
+	assert.Equal(t, uint64(999), evt.Total())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "counter",
+			"counter": common.MapStr{
+				"timestamp": time.Unix(0, 1587469726082),
+				"name":      "name",
+				"delta":     uint64(10),
+				"total":     uint64(999),
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+		},
+	}, evt.ToFields())
+}
+
+func TestEventValueMetric(t *testing.T) {
+	eventType := events.Envelope_ValueMetric
+	name := "name"
+	value := 10.1
+	unit := "unit"
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.ValueMetric = &events.ValueMetric{
+		Name:  &name,
+		Value: &value,
+		Unit:  &unit,
+	}
+	evt := newEventValueMetric(cfEvt)
+
+	assert.Equal(t, EventTypeValueMetric, evt.EventType())
+	assert.Equal(t, "value", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "name", evt.Name())
+	assert.Equal(t, 10.1, evt.Value())
+	assert.Equal(t, "unit", evt.Unit())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "value",
+			"value": common.MapStr{
+				"timestamp": time.Unix(0, 1587469726082),
+				"name":      "name",
+				"value":     10.1,
+				"unit":      "unit",
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+		},
+	}, evt.ToFields())
+}
+
+func TestEventContainerMetric(t *testing.T) {
+	eventType := events.Envelope_ContainerMetric
+	appID := "f47ac10b-58cc-4372-a567-0e02b2c3d479"
+	instanceIdx := int32(1)
+	cpuPercentage := 0.2
+	memoryBytes := uint64(1024)
+	diskBytes := uint64(2048)
+	memoryBytesQuota := uint64(2048)
+	diskBytesQuota := uint64(4096)
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.ContainerMetric = &events.ContainerMetric{
+		ApplicationId:    &appID,
+		InstanceIndex:    &instanceIdx,
+		CpuPercentage:    &cpuPercentage,
+		MemoryBytes:      &memoryBytes,
+		DiskBytes:        &diskBytes,
+		MemoryBytesQuota: &memoryBytesQuota,
+		DiskBytesQuota:   &diskBytesQuota,
+	}
+	evt := newEventContainerMetric(cfEvt)
+
+	assert.Equal(t, EventTypeContainerMetric, evt.EventType())
+	assert.Equal(t, "container", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "f47ac10b-58cc-4372-a567-0e02b2c3d479", evt.AppGuid())
+	assert.Equal(t, int32(1), evt.InstanceIndex())
+	assert.Equal(t, 0.2, evt.CPUPercentage())
+	assert.Equal(t, uint64(1024), evt.MemoryBytes())
+	assert.Equal(t, uint64(2048), evt.DiskBytes())
+	assert.Equal(t, uint64(2048), evt.MemoryBytesQuota())
+	assert.Equal(t, uint64(4096), evt.DiskBytesQuota())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "container",
+			"container": common.MapStr{
+				"timestamp":          time.Unix(0, 1587469726082),
+				"instance_index":     int32(1),
+				"cpu.pct":            0.2,
+				"memory.bytes":       uint64(1024),
+				"memory.quota.bytes": uint64(2048),
+				"disk.bytes":         uint64(2048),
+				"disk.quota.bytes":   uint64(4096),
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+			"app": common.MapStr{
+				"id": "f47ac10b-58cc-4372-a567-0e02b2c3d479",
+			},
+		},
+	}, evt.ToFields())
+}
+
+func TestEventError(t *testing.T) {
+	eventType := events.Envelope_Error
+	source := "source"
+	code := int32(100)
+	message := "message"
+	cfEvt := makeEnvelope(&eventType)
+	cfEvt.Error = &events.Error{
+		Source:  &source,
+		Code:    &code,
+		Message: &message,
+	}
+	evt := newEventError(cfEvt)
+
+	assert.Equal(t, EventTypeError, evt.EventType())
+	assert.Equal(t, "error", evt.String())
+	assert.Equal(t, "origin", evt.Origin())
+	assert.Equal(t, time.Unix(0, 1587469726082), evt.Timestamp())
+	assert.Equal(t, "deployment", evt.Deployment())
+	assert.Equal(t, "job", evt.Job())
+	assert.Equal(t, "index", evt.Index())
+	assert.Equal(t, "ip", evt.IP())
+	assert.Equal(t, map[string]string{"tag": "value"}, evt.Tags())
+	assert.Equal(t, "message", evt.Message())
+	assert.Equal(t, int32(100), evt.Code())
+	assert.Equal(t, "source", evt.Source())
+
+	assert.Equal(t, common.MapStr{
+		"cloudfoundry": common.MapStr{
+			"type": "error",
+			"error": common.MapStr{
+				"timestamp": time.Unix(0, 1587469726082),
+				"source":    "source",
+			},
+			"envelope": common.MapStr{
+				"origin":     "origin",
+				"deployment": "deployment",
+				"ip":         "ip",
+				"job":        "job",
+				"index":      "index",
+			},
+		},
+		"message": "message",
+		"code":    int32(100),
+	}, evt.ToFields())
+}
+
+func makeEnvelope(eventType *events.Envelope_EventType) *events.Envelope {
+	timestamp := int64(1587469726082)
+	origin := "origin"
+	deployment := "deployment"
+	job := "job"
+	index := "index"
+	ip := "ip"
+	return &events.Envelope{
+		Origin:     &origin,
+		EventType:  eventType,
+		Timestamp:  &timestamp,
+		Deployment: &deployment,
+		Job:        &job,
+		Index:      &index,
+		Ip:         &ip,
+		Tags:       map[string]string{"tag": "value"},
+	}
+}
+
+func makeUUID() *events.UUID {
+	// UUID `f47ac10b-58cc-4372-a567-0e02b2c3d479`
+	low := uint64(0x7243cc580bc17af4)
+	high := uint64(0x79d4c3b2020e67a5)
+	return &events.UUID{
+		Low:  &low,
+		High: &high,
+	}
+}