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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 2788 2 4 139 13 288 607 145 734 19 837 7.50 0 0 5 0 10 22 5 26 1 30
2 Apple 1658 1 16 101 11 266 262 263 366 6 366 7.10 0 1 6 1 16 16 16 22 0 22
3 IBM 1308 2 20 60 28 282 244 103 312 7 250 6.90 0 2 5 2 22 19 8 24 1 19
4 SUN 1305 1 22 86 24 245 214 92 385 3 233 6.90 0 2 7 2 19 16 7 30 0 18
5 Oracle 1225 28 49 73 285 259 130 154 7 240 6.60 0 2 4 6 23 21 11 13 1 20
6 Cisco 993 1 2 27 11 63 210 65 443 11 160 7.50 0 0 3 1 6 21 7 45 1 16
7 Mozilla 915 3 60 6 167 206 71 142 260 7.10 0 0 7 1 18 23 8 16 0 28
8 HP 855 1 5 38 7 161 120 65 227 9 222 7.30 0 1 4 1 19 14 8 27 1 26
9 Linux 838 1 49 168 20 243 70 64 199 3 21 5.50 0 6 20 2 29 8 8 24 0 3
10 Adobe 677 18 1 90 48 29 35 456 8.60 0 0 3 0 13 7 4 5 0 67
11 Redhat 554 17 71 12 85 96 47 162 2 62 6.40 0 3 13 2 15 17 8 29 0 11
12 Google 533 5 76 111 48 152 141 7.50 0 0 1 0 14 21 9 29 0 26
13 Novell 389 1 3 12 5 58 110 21 81 98 7.20 0 1 3 1 15 28 5 21 0 25
14 Apache 364 4 20 7 101 128 33 54 17 6.00 0 1 5 2 28 35 9 15 0 5
15 PHP 338 19 4 41 102 49 94 29 6.70 0 0 6 1 12 30 14 28 0 9
16 Freebsd 283 7 39 8 43 50 19 93 24 6.30 0 2 14 3 15 18 7 33 0 8
17 GNU 279 1 7 30 18 42 64 27 71 19 6.20 0 3 11 6 15 23 10 25 0 7
18 Symantec 276 3 10 6 42 58 20 70 2 65 7.20 0 1 4 2 15 21 7 25 1 24
19 Joomla 263 1 2 23 27 38 162 10 7.40 0 0 0 1 9 10 14 62 0 4
20 Debian 249 6 35 5 32 43 20 79 1 28 6.50 0 2 14 2 13 17 8 32 0 11
21 SGI 247 2 24 4 20 50 11 96 40 7.00 0 1 10 2 8 20 4 39 0 16
22 Drupal 218 9 31 67 37 30 37 2 5 5.90 0 0 4 14 31 17 14 17 1 2
23 Suse 214 2 30 21 37 13 81 30 6.80 0 1 14 0 10 17 6 38 0 14
24 Openbsd 206 3 16 5 28 55 9 59 1 30 6.70 0 1 8 2 14 27 4 29 0 15
25 CA 176 1 7 27 28 5 44 1 63 7.70 0 1 4 0 15 16 3 25 1 36
26 BEA 172 2 14 2 30 61 18 38 7 6.20 0 1 8 1 17 35 10 22 0 4
27 Realnetworks 170 1 4 7 29 1 23 105 8.60 0 1 2 0 4 17 1 14 0 62
28 Wordpress 166 4 3 57 37 19 36 1 9 6.30 0 0 2 2 34 22 11 22 1 5
29 Opera 158 3 50 58 11 3 33 6.60 0 0 2 0 32 37 7 2 0 21
30 Gentoo 153 5 21 2 8 29 13 45 30 6.80 0 3 14 1 5 19 8 29 0 20
31 Netbsd 147 4 28 3 27 18 10 41 16 6.20 0 3 19 2 18 12 7 28 0 11
32 Mysql 147 2 12 10 58 26 9 19 2 9 5.80 0 1 8 7 39 18 6 13 1 6
33 Vmware 145 3 9 5 21 22 25 32 2 26 6.90 0 2 6 3 14 15 17 22 1 18
34 Mandrakesoft 140 13 23 1 9 25 3 54 1 11 6.20 0 9 16 1 6 18 2 39 1 8
35 Wireshark 133 2 6 42 52 4 9 2 16 6.20 0 0 2 5 32 39 3 7 2 12
36 KDE 131 1 10 24 26 14 46 10 6.70 0 1 8 0 18 20 11 35 0 8
37 SCO 127 3 10 3 20 21 3 53 14 6.80 0 2 8 2 16 17 2 42 0 11
38 Netscape 119 11 3 8 47 4 32 14 6.60 0 0 9 3 7 39 3 27 0 12
39 Macromedia 118 5 1 7 42 3 26 34 7.40 0 0 4 1 6 36 3 22 0 29
40 Typo3 117 1 2 34 13 5 56 1 5 6.80 0 0 1 2 29 11 4 48 1 4
41 Mambo 110 2 8 6 20 67 7 7.50 0 0 2 0 7 5 18 61 0 6
42 Ethereal Group 109 1 72 1 27 8 6.80 0 0 0 0 1 66 1 25 0 7
43 Trend Micro 108 1 8 26 6 29 38 7.90 0 1 0 0 7 24 6 27 0 35
44 Phpmyadmin 105 7 3 35 24 14 18 1 3 6.00 0 0 7 3 33 23 13 17 1 3
45 Francisco Burzi 101 1 23 27 6 41 3 6.70 0 0 1 0 23 27 6 41 0 3
46 Opera Software 100 9 12 40 6 20 13 6.60 0 0 9 0 12 40 6 20 0 13
47 Gnome 99 2 11 3 12 18 19 25 9 6.50 0 2 11 3 12 18 19 25 0 9
48 ISC 98 4 1 13 33 5 24 18 7.00 0 0 4 1 13 34 5 24 0 18
49 Ipswitch 98 1 1 9 36 9 31 11 7.00 0 0 1 1 9 37 9 32 0 11
50 SAP 96 21 20 6 27 22 7.30 0 0 0 0 22 21 6 28 0 23

Vendor(s) with highest weighted average (8.60): Adobe  Realnetworks  

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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