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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 2116 2 32 87 169 533 377 210 379 16 311 6.50 0 2 4 8 25 18 10 18 1 15
5 Cisco 1844 1 2 28 19 268 404 215 643 25 239 7.20 0 0 2 1 15 22 12 35 1 13
6 SUN 1585 3 25 103 35 298 276 116 415 3 311 6.90 0 2 6 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 1214 1 79 199 36 405 106 116 244 3 25 5.40 0 7 16 3 33 9 10 20 0 2
9 HP 1143 1 9 44 19 214 153 85 291 18 309 7.30 0 1 4 2 19 13 7 25 2 27
10 Google 1102 3 8 1 119 215 123 428 1 204 7.50 0 0 1 0 11 20 11 39 0 19
11 Adobe 1029 18 2 101 60 36 62 750 8.90 0 0 2 0 10 6 3 6 0 73
12 Redhat 903 38 110 38 178 166 102 198 4 69 6.10 0 4 12 4 20 18 11 22 0 8
13 Apache 549 5 31 13 148 192 53 77 30 6.10 0 1 6 2 27 35 10 14 0 5
14 Novell 542 1 10 24 7 97 132 40 108 123 7.00 0 2 4 1 18 24 7 20 0 23
15 PHP 391 21 5 55 122 54 103 31 6.70 0 0 5 1 14 31 14 26 0 8
16 Symantec 370 3 16 9 69 69 37 92 3 72 7.00 0 1 4 2 19 19 10 25 1 19
17 GNU 335 1 8 34 22 53 85 39 73 20 6.10 0 2 10 7 16 25 12 22 0 6
18 Freebsd 311 7 40 9 52 53 24 102 24 6.30 0 2 13 3 17 17 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 295 7 42 11 40 48 34 82 1 30 6.40 0 2 14 4 14 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 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 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 CA 192 1 7 32 31 6 48 1 66 7.60 0 1 4 0 17 16 3 25 1 34
33 EMC 185 1 9 7 34 30 19 37 9 39 7.10 0 1 5 4 18 16 10 20 5 21
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 151 4 28 3 27 21 10 42 16 6.20 0 3 19 2 18 14 7 28 0 11
40 Canonical 140 8 8 3 48 26 27 13 1 6 5.80 0 6 6 2 34 19 19 9 1 4
41 Mandrakesoft 140 13 23 1 9 25 3 54 1 11 6.20 0 9 16 1 6 18 2 39 1 8
42 KDE 140 1 10 26 29 17 47 10 6.70 0 1 7 0 19 21 12 34 0 7
43 Mcafee 139 2 5 4 42 21 16 34 3 12 6.50 0 1 4 3 30 15 12 24 2 9
44 Phpmyadmin 138 7 16 45 30 16 20 1 3 5.80 0 0 5 12 33 22 12 14 1 2
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 Netscape 119 11 3 8 47 4 32 14 6.60 0 0 9 3 7 39 3 27 0 12
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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