Addressing the Backlog Crisis: What is NIST Up To and is the CVE Program in Danger

The issue with NIST & the NVD

The U.S. National Vulnerability Database (NVD), maintained by the National Institute of Standards and Technology (NIST), is currently facing a significant backlog in processing vulnerabilities. This database is a crucial resource for the cybersecurity community, providing detailed information on vulnerabilities known as Common Vulnerabilities and Exposures (CVEs). The backlog issue has been escalating, with nearly 5,800 CVEs added between mid-February and early April 2024 remaining unanalyzed. This situation poses substantial risks to cybersecurity management across various sectors.

A problem rooted in history

The backlog stems from multiple factors, including increased software releases, heightened vulnerability discoveries, and recent budget cuts impacting NIST's operational capacity. These challenges are compounded by changes in interagency support which have further strained the resources available for vulnerability assessment.

This growing backlog disrupts the usual flow of critical vulnerability information that organizations rely on to manage security risks effectively. Without up-to-date and accurate data from the NVD, businesses and security professionals are forced to seek information directly from vendors or alternative databases, which can be fragmented and less reliable.

The severity of this issue has prompted calls for immediate action. A group of 50 cybersecurity professionals has addressed an open letter to U.S. officials, urging immediate resources and support to help NIST restore full functionality to the NVD. They emphasize the need for a robust response to manage the backlog and suggest enhancements to improve the resilience and effectiveness of the NVD infrastructure.

A weak remedy at a bad moment

Potential solutions to the backlog issue include forming an industry consortium to support NVD operations, implementing interim processes that allow faster integration of data from CVE Numbering Authorities without redundant re-scoring, and establishing clear plans for long-term improvements with community feedback.

Moreover, there's an acknowledgment within the community that relying solely on NIST and the NVD might no longer be sustainable. Alternatives such as private databases or nonprofit organizations might become necessary, though these would require significant investment and may not provide the same level of open access as the NVD.

In conclusion, the NVD's backlog not only undermines the reliability of vulnerability management processes but also highlights the broader challenges in scaling cybersecurity infrastructure to keep pace with rapid technological advancements and threat landscapes. Addressing this issue will require a multifaceted approach involving increased funding, strategic partnerships, and perhaps most critically, a reassessment of how vulnerability data is collected, analyzed, and disseminated across the cybersecurity ecosystem.

If you want to know more, try the article from Jonathan Munshaw over @ TalosIntelligence: https://blog.talosintelligence.com/nvd-vulnerability-backlog-the-need-to-know/