Top 10 Vulnerabilities

The Top 10 External and Top 10 Internal Vulnerabilities are dynamic lists of the most prevalent and critical security vulnerabilities in the real world. Based on the Laws of Vulnerabilities, this information is computed anonymously from over 1 billion IP audits per year. The Top 10 External Vulnerabilities are the most prevalent and critical vulnerabilities which have been identified on Internet facing systems. The Top 10 Internal Vulnerabilities show this information for systems and networks inside the firewall.

The two Top 10 lists exclude vulnerabilities that do not have patches, even if workarounds are available, because these lists are tools to help prioritize remediation.

Top 10 Internal Vulnerabilities: February 2015

TitleQualysIDExt. Reference
Microsoft Internet Explorer Cumulative Security Update (MS15-009)
100220 MS15-009
Oracle Java SE Critical Patch Update - July 2014
122362 Oracle Java SE CPU July 2014
Adobe Flash Player and AIR Multiple Vulnerabilities (APSB14-24)
122827 APSB14-024
MMicrosoft .Net Framework Elevation of Privilege Vulnerability (MS14-072)
90997 MS14-072
Microsoft Windows Network Location Awareness Service Security Bypass Vulnerability (MS15-005)
91007 MS15-005
Adobe Reader and Acrobat Multiple Vulnerabilities (APSB14-20)
122663 APSB14-20
Microsoft Windows Application Compatibility Cache Elevation of Privilege Vulnerability (MS15-001)
91005 MS15-001
Microsoft Windows Components Directory Traversal Information Disclosure Vulnerability (MS15-004)
91012 MS15-004
Microsoft Windows Kerberos Elevation of Privilege Vulnerability (MS14-068)
90998 MS14-068
Microsoft Word and Office Web Apps Remote Code Execution Vulnerability (MS14-081)
110244 MS14-081

Top 10 External Vulnerabilities: February 2015

TitleQualysIDExt. Reference
OpenSSL Multiple Remote Security Vulnerabilities
38602 OpenSSL Security Advisory [05 Jun 2014]
Cisco IOS Malformed IPV4 Packet Denial of Service Vulnerability
43051 No Reference
Apache HTTP Server Multiple Cross-Site Scripting Vulnerabilities
12260 RHSA-2008-0004
SSL Server Allows Anonymous Authentication Vulnerability
38142 No Reference
OpenSSH Signal Handling Vulnerability
38560 No Reference
Microsoft ASP.NET Denial of Service Vulnerability (KB2659883 and MS11-100)
90764 KB2659883
SSH Protocol Version 1 Supported
38304 No Reference
Internet Information Services (IIS) Could Allow Elevation of Privilege (MS09-020)
86837 MS09-020
SSL Server Allows Cleartext Communication Vulnerability
38143 No Reference
OpenSSL Memory Leak Vulnerability (Heartbleed Bug)
42430 OpenSSL vulnerabilities

Previous Top 10 Vulnerability Lists

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