What is Common Vulnerability Enumeration?
In order to achieve interoperability of security tools and share vulnerability information, we need a Common Vulnerability Enumeration (CVE), a standardized list that: enumerates and discriminates between all known vulnerabilities. assigns a standard, unique name to each vulnerability.
How are CVEs assigned?
CVE identifiers are assigned by a CVE Numbering Authority (CNA). There are about 100 CNAs, representing major IT vendors as well as security companies and research organizations. MITRE can also issue CVEs directly. The CNA assigns the information a CVE ID, and writes a brief description and includes references.
What is the vulnerability ID?
A CVE ID is the number portion of a CVE Record, for example, “CVE-1999-0067”, “CVE-2014-12345”, and “CVE-2016-7654321”. CVE IDs are used by cybersecurity product/service vendors and researchers as a standard method for identifying vulnerabilities and for cross-linking with other repositories that also use CVE IDs.
How are vulnerabilities scored in a CVE system?
A Common Vulnerabilities and Exposures ( CVE) system can factor in various variables when determining an organization’s score, but in any case, there are other factors that might affect the way in which a vulnerability is handled regardless of the score appointed to it by a CVE.
How is a CVE ID assigned to a sub-CNA?
Each Sub-CNA assigns CVE IDs for vulnerabilities in their own products or their domain of responsibility, hereinafter referred to as scope, and submits the vulnerability information to the CVE List when they make the vulnerability public. Sub-CNAs are administered and mentored by Root CNAs.
Why is it important to use a CVE identifier?
CVE makes it possible to share data across separate vulnerability capabilities (cybersecurity tools, repositories, and services) with this common enumeration. The use of CVE Entries ensures that two or more parties can confidently refer to a CVE Identifier (CVE ID) when discussing or sharing information about a unique vulnerability.
Why are there so many types of vulnerabilities?
Vulnerabilities can allow attackers to run unauthorized code, access system information and steal, modify and destroy data. There are many different types of vulnerabilities and each one has a different level of severity, depending on how dangerous the outcome is in the event it is exploited.