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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 3522 2 5 143 16 395 640 181 830 20 1290 7.80 0 0 4 0 11 18 5 24 1 37
2 Oracle 2349 2 43 117 186 644 494 223 225 8 407 6.30 0 2 5 8 27 21 9 10 0 17
3 Apple 2296 1 31 135 27 352 311 482 401 9 547 7.10 0 1 6 1 15 14 21 17 0 24
4 IBM 2134 2 32 89 172 539 380 213 381 16 310 6.50 0 1 4 8 25 18 10 18 1 15
5 Cisco 1848 1 2 28 19 271 405 215 643 25 239 7.20 0 0 2 1 15 22 12 35 1 13
6 SUN 1587 3 25 104 35 299 276 116 415 3 311 6.90 0 2 7 2 19 17 7 26 0 20
7 Mozilla 1344 4 67 6 242 255 113 163 1 493 7.40 0 0 5 0 18 19 8 12 0 37
8 Linux 1215 1 79 200 36 405 106 116 244 3 25 5.40 0 7 16 3 33 9 10 20 0 2
9 HP 1148 1 9 45 19 215 153 86 291 18 311 7.30 0 1 4 2 19 13 7 25 2 27
10 Google 1112 3 8 1 119 217 125 431 1 207 7.50 0 0 1 0 11 20 11 39 0 19
11 Adobe 1030 18 2 101 60 37 62 750 8.90 0 0 2 0 10 6 4 6 0 73
12 Redhat 908 38 110 38 179 169 102 199 4 69 6.10 0 4 12 4 20 19 11 22 0 8
13 Apache 558 5 31 13 153 194 53 77 32 6.10 0 1 6 2 27 35 9 14 0 6
14 Novell 544 1 10 24 7 97 132 42 108 123 7.00 0 2 4 1 18 24 8 20 0 23
15 PHP 394 21 5 56 122 56 103 31 6.70 0 0 5 1 14 31 14 26 0 8
16 Symantec 371 3 16 9 69 70 37 92 3 72 7.00 0 1 4 2 19 19 10 25 1 19
17 GNU 336 1 8 34 23 53 85 39 73 20 6.10 0 2 10 7 16 25 12 22 0 6
18 Freebsd 313 7 40 9 52 55 24 102 24 6.30 0 2 13 3 17 18 8 33 0 8
19 Joomla 298 1 2 41 41 39 164 10 7.20 0 0 0 1 14 14 13 55 0 3
20 Debian 297 7 42 11 40 49 35 82 1 30 6.40 0 2 14 4 13 16 12 28 0 10
21 Wireshark 273 24 32 66 108 7 14 3 19 5.70 0 0 9 12 24 40 3 5 1 7
22 Drupal 257 13 34 79 50 35 39 2 5 5.80 0 0 5 13 31 19 14 15 1 2
23 SGI 252 2 25 4 20 54 11 96 40 7.00 0 1 10 2 8 21 4 38 0 16
24 Mysql 242 3 19 24 105 34 21 23 2 11 5.60 0 1 8 10 43 14 9 10 1 5
25 Moodle 240 4 14 105 59 35 16 7 5.80 0 0 2 6 44 25 15 7 0 3
26 Opera 232 5 70 83 21 8 45 6.60 0 0 2 0 30 36 9 3 0 19
27 Wordpress 231 10 6 85 47 31 40 1 11 6.10 0 0 4 3 37 20 13 17 0 5
28 Suse 222 2 30 23 38 13 85 31 6.80 0 1 14 0 10 17 6 38 0 14
29 Openbsd 222 3 18 6 29 61 12 62 1 30 6.70 0 1 8 3 13 27 5 28 0 14
30 Vmware 204 3 10 6 33 29 33 47 5 38 7.00 0 1 5 3 16 14 16 23 2 19
31 Realnetworks 203 1 5 10 31 6 28 122 8.60 0 0 2 0 5 15 3 14 0 60
32 EMC 195 1 9 7 36 31 24 37 11 39 7.10 0 1 5 4 18 16 12 19 6 20
33 CA 192 1 7 32 31 6 48 1 66 7.60 0 1 4 0 17 16 3 25 1 34
34 SAP 184 1 1 38 62 12 43 27 6.90 0 0 1 1 21 34 7 23 0 15
35 Typo3 174 3 13 54 26 13 59 1 5 6.40 0 0 2 7 31 15 7 34 1 3
36 BEA 172 2 14 2 30 61 18 38 7 6.20 0 1 8 1 17 35 10 22 0 4
37 Ffmpeg 168 1 2 23 10 45 9 78 8.00 0 1 1 0 14 6 27 5 0 46
38 Gentoo 163 5 22 2 9 33 17 45 30 6.80 0 3 13 1 6 20 10 28 0 18
39 Netbsd 153 4 28 3 27 23 10 42 16 6.20 0 3 18 2 18 15 7 27 0 10
40 Canonical 149 8 8 3 55 27 28 13 1 6 5.80 0 5 5 2 37 18 19 9 1 4
41 KDE 141 1 10 26 29 18 47 10 6.70 0 1 7 0 18 21 13 33 0 7
42 Phpmyadmin 140 7 18 45 30 16 20 1 3 5.80 0 0 5 13 32 21 11 14 1 2
43 Mandrakesoft 140 13 23 1 9 25 3 54 1 11 6.20 0 9 16 1 6 18 2 39 1 8
44 Mcafee 139 2 5 4 42 21 16 34 3 12 6.50 0 1 4 3 30 15 12 24 2 9
45 Citrix 132 4 8 1 18 33 16 25 27 6.90 0 3 6 1 14 25 12 19 0 20
46 Siemens 130 1 1 3 27 25 13 33 8 19 7.10 0 1 1 2 21 19 10 25 6 15
47 SCO 127 3 10 3 20 21 3 53 14 6.80 0 2 8 2 16 17 2 42 0 11
48 Gnome 124 3 13 7 21 21 24 26 9 6.20 0 2 10 6 17 17 19 21 0 7
49 ISC 119 5 2 15 37 8 33 1 18 7.00 0 0 4 2 13 31 7 28 1 15
50 Netscape 119 11 3 8 47 4 32 14 6.60 0 0 9 3 7 39 3 27 0 12

Vendor(s) with highest weighted average (8.90): 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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