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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 3592 2 5 143 16 398 644 187 833 21 1343 7.80 0 0 4 0 11 18 5 23 1 37
2 Oracle 2465 2 44 123 194 695 512 235 231 9 420 6.30 0 2 5 8 28 21 10 9 0 17
3 Apple 2389 1 40 144 28 368 320 509 411 9 559 7.10 0 2 6 1 15 13 21 17 0 23
4 IBM 2221 2 34 95 188 563 402 220 385 17 315 6.40 0 2 4 8 25 18 10 17 1 14
5 Cisco 1909 1 2 28 20 283 421 222 666 26 240 7.10 0 0 1 1 15 22 12 35 1 13
6 SUN 1601 3 25 105 35 304 278 118 419 3 311 6.90 0 2 7 2 19 17 7 26 0 19
7 Mozilla 1369 4 67 6 248 261 114 170 1 498 7.40 0 0 5 0 18 19 8 12 0 36
8 Linux 1241 1 79 200 36 415 108 123 250 3 26 5.50 0 6 16 3 33 9 10 20 0 2
9 HP 1166 1 9 45 19 222 154 88 297 18 313 7.30 0 1 4 2 19 13 8 25 2 27
10 Google 1133 3 8 1 119 223 127 443 1 208 7.50 0 0 1 0 11 20 11 39 0 18
11 Adobe 1058 18 2 105 61 38 64 770 8.90 0 0 2 0 10 6 4 6 0 73
12 Redhat 917 38 110 38 181 173 104 200 4 69 6.10 0 4 12 4 20 19 11 22 0 8
13 Apache 565 5 31 13 157 195 54 78 32 6.10 0 1 5 2 28 35 10 14 0 6
14 Novell 546 1 10 24 7 97 132 42 109 124 7.00 0 2 4 1 18 24 8 20 0 23
15 PHP 398 21 6 56 123 57 104 31 6.60 0 0 5 2 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 347 1 8 34 23 53 85 41 75 27 6.20 0 2 10 7 15 24 12 22 0 8
18 Freebsd 316 7 40 9 52 57 24 102 25 6.30 0 2 13 3 16 18 8 32 0 8
19 Joomla 307 1 2 46 42 39 167 10 7.20 0 0 0 1 15 14 13 54 0 3
20 Debian 303 7 42 12 41 50 38 82 1 30 6.30 0 2 14 4 14 17 13 27 0 10
21 Wireshark 285 24 32 66 120 7 14 3 19 5.70 0 0 8 11 23 42 2 5 1 7
22 Drupal 280 13 50 83 50 37 40 2 5 5.70 0 0 5 18 30 18 13 14 1 2
23 Mysql 259 3 20 25 114 34 24 25 3 11 5.60 0 1 8 10 44 13 9 10 1 4
24 SGI 252 2 25 4 20 54 11 96 40 7.00 0 1 10 2 8 21 4 38 0 16
25 Moodle 241 4 14 106 59 35 16 7 5.80 0 0 2 6 44 24 15 7 0 3
26 Wordpress 233 10 6 85 47 31 42 1 11 6.20 0 0 4 3 36 20 13 18 0 5
27 Opera 232 5 70 83 21 8 45 6.60 0 0 2 0 30 36 9 3 0 19
28 Openbsd 222 3 18 6 29 61 12 62 1 30 6.70 0 1 8 3 13 27 5 28 0 14
29 Suse 222 2 30 23 38 13 85 31 6.80 0 1 14 0 10 17 6 38 0 14
30 Vmware 207 3 10 6 34 30 34 47 5 38 7.00 0 1 5 3 16 14 16 23 2 18
31 Realnetworks 203 1 5 10 31 6 28 122 8.60 0 0 2 0 5 15 3 14 0 60
32 EMC 200 1 10 7 36 32 24 38 12 40 7.10 0 1 5 4 18 16 12 19 6 20
33 SAP 197 1 3 40 66 16 44 27 6.80 0 0 1 2 20 34 8 22 0 14
34 CA 192 1 7 32 31 6 48 1 66 7.60 0 1 4 0 17 16 3 25 1 34
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 164 5 22 2 9 33 17 45 31 6.80 0 3 13 1 5 20 10 27 0 19
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 152 8 8 3 55 27 29 15 1 6 5.80 0 5 5 2 36 18 19 10 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 Mcafee 141 2 5 4 43 21 17 34 3 12 6.50 0 1 4 3 30 15 12 24 2 9
43 Phpmyadmin 141 7 19 45 30 16 20 1 3 5.80 0 0 5 13 32 21 11 14 1 2
44 Mandrakesoft 140 13 23 1 9 25 3 54 1 11 6.20 0 9 16 1 6 18 2 39 1 8
45 Citrix 133 4 8 1 18 33 16 26 27 6.90 0 3 6 1 14 25 12 20 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 XEN 120 12 10 5 41 23 17 10 2 5.30 0 10 8 4 34 19 14 8 2 0
50 ISC 119 5 2 15 37 8 33 1 18 7.00 0 0 4 2 13 31 7 28 1 15

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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