diff --git a/2018/15xxx/CVE-2018-15361.json b/2018/15xxx/CVE-2018-15361.json
index 4bf3f025d73..bf929a0726e 100644
--- a/2018/15xxx/CVE-2018-15361.json
+++ b/2018/15xxx/CVE-2018-15361.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-003-ultravnc-buffer-underwrite/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8258.json b/2019/8xxx/CVE-2019-8258.json
index 07ed1f64e5e..237e28d1a9d 100644
--- a/2019/8xxx/CVE-2019-8258.json
+++ b/2019/8xxx/CVE-2019-8258.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-004-ultravnc-heap-based-buffer-overflow/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8259.json b/2019/8xxx/CVE-2019-8259.json
index 28bf4760841..31ad9afbff6 100644
--- a/2019/8xxx/CVE-2019-8259.json
+++ b/2019/8xxx/CVE-2019-8259.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-005-ultravnc-memory-leak/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8260.json b/2019/8xxx/CVE-2019-8260.json
index c20a3b6c60a..706935eb062 100644
--- a/2019/8xxx/CVE-2019-8260.json
+++ b/2019/8xxx/CVE-2019-8260.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-006-ultravnc-out-of-bound-read/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-006-ultravnc-out-of-bound-read/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8261.json b/2019/8xxx/CVE-2019-8261.json
index afc9cc23af4..62f0aebbf93 100644
--- a/2019/8xxx/CVE-2019-8261.json
+++ b/2019/8xxx/CVE-2019-8261.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-007-ultravnc-out-of-bound-read/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-007-ultravnc-out-of-bound-read/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8262.json b/2019/8xxx/CVE-2019-8262.json
index a0bde6d40bb..3b71200688f 100644
--- a/2019/8xxx/CVE-2019-8262.json
+++ b/2019/8xxx/CVE-2019-8262.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-008-ultravnc-heap-based-buffer-overflow/"
          }
       ]
diff --git a/2019/8xxx/CVE-2019-8263.json b/2019/8xxx/CVE-2019-8263.json
index 5b78ba7d4ba..1487d90ad79 100644
--- a/2019/8xxx/CVE-2019-8263.json
+++ b/2019/8xxx/CVE-2019-8263.json
@@ -54,6 +54,8 @@
    "references" : {
       "reference_data" : [
          {
+            "name" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/",
+            "refsource" : "MISC",
             "url" : "https://ics-cert.kaspersky.com/advisories/klcert-advisories/2019/03/01/klcert-19-009-ultravnc-access-of-memory-location-after-end-of-buffer/"
          }
       ]