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Cisco : Vulnerability Statistics

Vulnerability Feeds & Widgets

Vulnerability Trends Over Time

Year # of Vulnerabilities DoS Code Execution Overflow Memory Corruption Sql Injection XSS Directory Traversal Http Response Splitting Bypass something Gain Information Gain Privileges CSRF File Inclusion # of exploits
1999 21 3 2 2
2000 15 5 4 2 3 1 1
2001 55 24 2 1 7 2 3
2002 49 24 2 6 1 1 2 1 3
2003 22 10 3 4 1 3 7
2004 36 24 2 2 1 1 1
2005 52 32 4 4 1 1 11 3 2
2006 67 16 10 6 6 9 3 5
2007 101 45 15 12 1 1 7 8 10 12 1
2008 80 54 10 4 2 1 3 6 6 1
2009 96 54 11 7 1 9 4 7 9 2 5 3
2010 118 63 10 3 1 3 6 2 1 14 7 3 1 4
2011 82 52 17 9 1 3 3 3 4 4 1 5
2012 107 60 23 20 2 2 3 1 6 5 2 1
2013 345 135 36 36 7 8 47 13 22 33 24 15 3
2014 306 105 32 19 5 12 37 9 19 40 11 9
2015 428 149 43 4 14 58 4 2 42 54 15 34 2
2016 289 81 40 18 1 8 44 5 38 30 12 8
2017 409 80 92 35 10 78 11 1 33 45 13 6 1
2018 358 82 121 11 6 50 7 35 6 30 22
2019 352 72 137 19 1 14 57 12 1 38 5 16 9
2020 364 70 95 13 1 9 54 28 54 21 25 6
2021 304 81 155 13 10 40 5 21 18 26 1
Total 4056 1321 864 247 25 101 504 105 6 383 308 215 117 3 16
% Of All 32.6 21.3 6.1 0.6 2.5 12.4 2.6 0.1 9.4 7.6 5.3 2.9 0.1

Warning : Vulnerabilities with publish dates before 1999 are not included in this table and chart. (Because there are not many of them and they make the page look bad; and they may not be actually published in those years.)

Vulnerabilities By Year
21
15
55
49
22
36
52
67
101
80
96
118
82
107
345
306
428
289
409
358
352
364
304
  1999 21
2000 15
2001 55
2002 49
2003 22
2004 36
2005 52
2006 67
2007 101
2008 80
2009 96
2010 118
2011 82
2012 107
2013 345
2014 306
2015 428
2016 289
2017 409
2018 358
2019 352
2020 364
2021 304
Vulnerabilities By Type
1321
383
308
864
247
215
105
504
25
101
117
6
3
  Denial of Service 1321
Bypass Something 383
Gain Information 308
Execute Code 864
Overflow 247
Gain Privilege 215
Directory Traversal 105
XSS 504
Memory Corruption 25
Sql Injection 101
CSRF 117
Http Response Splitting 6
File Inclusion 3

Click on legend names to show/hide lines for vulnerability types
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This page lists vulnerability statistics for all products of Cisco. Vulnerability statistics provide a quick overview for security vulnerabilities related to software products of this vendor. You can view products of this vendor or security vulnerabilities related to products of Cisco.

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