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CVSS Score Distribution For Top 50 Vendors By Total Number Of "Distinct" Vulnerabilities

Vendor Name Number of Total Vulnerabilities # Of Vulnerabilities Weighted Average % Of Total
0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9+ 0-1 1-2 2-3 3-4 4-5 5-6 6-7 7-8 8-9 9+
1 Microsoft 3891 2 10 153 20 444 666 197 853 22 1524 7.80 0 0 4 1 11 17 5 22 1 39
2 Oracle 2663 2 49 131 221 783 537 253 245 9 433 6.30 0 2 5 8 29 20 10 9 0 16
3 Apple 2617 1 50 157 28 387 356 561 445 9 623 7.10 0 2 6 1 15 14 21 17 0 24
4 IBM 2441 2 38 109 230 632 442 238 401 19 330 6.30 0 2 4 9 26 18 10 16 1 14
5 Cisco 2127 1 2 28 22 343 469 266 720 28 248 7.10 0 0 1 1 16 22 13 34 1 12
6 SUN 1617 3 26 106 36 311 280 119 422 3 311 6.90 0 2 7 2 19 17 7 26 0 19
7 Mozilla 1446 4 69 6 267 272 138 191 1 498 7.40 0 0 5 0 18 19 10 13 0 34
8 Linux 1310 1 80 212 38 437 114 130 265 3 30 5.50 0 6 16 3 33 9 10 20 0 2
9 Google 1259 3 7 2 135 249 136 517 1 209 7.50 0 0 1 0 11 20 11 41 0 17
10 Adobe 1219 18 2 107 79 42 67 1 903 9.00 0 0 1 0 9 6 3 5 0 74
11 HP 1207 1 9 48 20 226 157 91 302 20 333 7.40 0 1 4 2 19 13 8 25 2 28
12 Redhat 975 38 117 44 191 183 116 209 4 73 6.10 0 4 12 5 20 19 12 21 0 7
13 Apache 600 5 31 14 165 213 59 81 32 6.10 0 1 5 2 28 36 10 14 0 5
14 Novell 595 1 11 26 7 104 152 47 120 127 6.90 0 2 4 1 17 26 8 20 0 21
15 PHP 418 21 6 57 128 58 117 31 6.70 0 0 5 1 14 31 14 28 0 7
16 Symantec 385 3 16 10 71 71 41 96 3 74 7.00 0 1 4 3 18 18 11 25 1 19
17 GNU 375 1 9 35 24 56 94 42 84 30 6.20 0 2 9 6 15 25 11 22 0 8
18 Debian 369 7 46 14 57 59 51 101 2 32 6.40 0 2 12 4 15 16 14 27 1 9
19 Freebsd 326 7 42 9 54 60 24 105 25 6.30 0 2 13 3 17 18 7 32 0 8
20 Wireshark 311 24 32 66 142 7 18 3 19 5.80 0 0 8 10 21 46 2 6 1 6
21 Joomla 307 1 2 45 42 39 168 10 7.20 0 0 0 1 15 14 13 55 0 3
22 Drupal 282 13 50 83 51 38 40 2 5 5.70 0 0 5 18 29 18 13 14 1 2
23 Mysql 260 3 20 25 115 34 24 25 3 11 5.60 0 1 8 10 44 13 9 10 1 4
24 Moodle 256 5 15 112 63 37 17 7 5.80 0 0 2 6 44 25 14 7 0 3
25 SGI 252 2 25 4 20 54 11 96 40 7.00 0 1 10 2 8 21 4 38 0 16
26 SAP 242 2 3 44 84 19 58 32 6.90 0 0 1 1 18 35 8 24 0 13
27 Wordpress 242 10 6 90 48 34 42 1 11 6.10 0 0 4 2 37 20 14 17 0 5
28 EMC 235 1 12 9 44 40 28 44 12 45 7.00 0 0 5 4 19 17 12 19 5 19
29 Opera 234 4 73 83 21 8 45 6.60 0 0 2 0 31 35 9 3 0 19
30 Suse 226 2 30 23 38 14 87 32 6.90 0 1 13 0 10 17 6 38 0 14
31 Openbsd 225 3 18 6 30 62 12 63 1 30 6.70 0 1 8 3 13 28 5 28 0 13
32 Canonical 222 8 9 5 66 45 39 39 2 9 6.10 0 4 4 2 30 20 18 18 1 4
33 Vmware 215 3 10 8 38 30 35 47 5 39 6.90 0 1 5 4 18 14 16 22 2 18
34 Realnetworks 205 1 5 10 31 6 29 123 8.60 0 0 2 0 5 15 3 14 0 60
35 CA 202 1 7 1 34 32 10 49 1 67 7.60 0 0 3 0 17 16 5 24 0 33
36 Ffmpeg 190 1 2 23 11 48 27 78 8.00 0 1 1 0 12 6 25 14 0 41
37 Typo3 178 4 13 55 26 14 60 1 5 6.40 0 0 2 7 31 15 8 34 1 3
38 Mcafee 177 2 13 10 50 26 23 38 3 12 6.20 0 1 7 6 28 15 13 21 2 7
39 BEA 172 2 14 2 30 61 18 38 7 6.20 0 1 8 1 17 35 10 22 0 4
40 Gentoo 166 5 22 2 9 33 18 45 32 6.80 0 3 13 1 5 20 11 27 0 19
41 Siemens 158 3 6 3 31 30 19 36 8 22 6.90 0 2 4 2 20 19 12 23 5 14
42 Netbsd 155 4 28 3 27 24 10 43 16 6.20 0 3 18 2 17 15 6 28 0 10
43 Phpmyadmin 154 7 23 50 32 18 20 1 3 5.70 0 0 5 15 32 21 12 13 1 2
44 KDE 146 1 10 29 30 18 48 10 6.60 0 1 7 0 20 21 12 33 0 7
45 Citrix 142 4 8 1 21 36 17 28 27 6.80 0 3 6 1 15 25 12 20 0 19
46 XEN 142 14 15 5 50 24 17 15 2 5.20 0 10 11 4 35 17 12 11 1 0
47 Mandrakesoft 140 13 23 1 9 25 3 54 1 11 6.20 0 9 16 1 6 18 2 39 1 8
48 Openstack 132 3 16 15 50 33 8 6 1 5.10 0 2 12 11 38 25 6 5 0 1
49 Gnome 128 3 13 7 21 21 25 29 9 6.30 0 2 10 5 16 16 20 23 0 7
50 SCO 127 3 10 3 20 21 3 53 14 6.80 0 2 8 2 16 17 2 42 0 11

Vendor(s) with highest weighted average (9.00): Adobe  

Weighted average = SUM((Cvss Range (e.g: 2 for range 1-2 )) * (Number of vulnerabilities in that range)) / (Total number of vulnerabilities)
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