A Department of Commerce inspector general report released Thursday found that the National Institute of Standards and Technology has mismanaged a critical cybersecurity vulnerability database through poor planning, inefficient operations, duplicate federal programs, and failure to communicate with users.

The National Vulnerability Database, maintained by NIST since 2005, collects information about computer security flaws and adds details like severity ratings and affected products. This information helps cybersecurity professionals across government and the private sector decide which security problems to fix first. In February 2024, the database’s enrichment contract lapsed, creating a backlog of unprocessed security flaws that has only grown worse.

The report identified the lack of strategic planning as a core problem. NIST leaders admitted they had no long-term plan for clearing the backlog, even as it grew from about 13,000 unprocessed security flaws in June 2024 to over 27,000 by the end of 2025.

NIST publicly promised in May 2024 that it would clear the backlog by September 2024, setting a goal of processing 6,200 security flaws per month, but the agency had never processed more than 5,000 per month in the past.

The report found major inefficiencies in how NIST enriches the information that is attached to the vulnerabilities. 

Analysts spend about 80% of their time on two tasks: calculating severity scores and identifying which products are affected. The inspector general’s office tested NIST’s severity scores and found they matched independent evaluators only 12% of the time. Also, nearly 80% of vulnerability submissions already include these scores from the companies that are responsible for the software. This means NIST is doing work that is often unnecessary and inconsistent. The inspector general proposed cutting back on severity score calculation work over the next two years, estimating that NIST would save $800,000 that it could redirect to other program areas.

Another efficiency problem highlighted is the program’s manual process for identifying affected products. Creating these standardized product identifiers takes a lot of time and keeps analysts from clearing the backlog. NIST is developing tools to make this faster, but it remains a major slowdown.

The report also found major duplication between two federal security programs. When the Cybersecurity and Infrastructure Security Agency launched its own Vulnrichment program in May 2024, there was no coordination between the agencies, leading to NIST analysts sometimes repeating work that CISA analysts had already completed. Additionally, the two agencies even hired the same contractor for portions of the same work. The inspector general found at least 21,000 cases of duplicated work between May 2024 and December 2025, wasting approximately $200,000 in the process.  

Communication failures have made the problems worse. In April 2024, over 50 cybersecurity professionals sent an open letter to Congress complaining that NIST was not being transparent about the database’s problems. Neither NIST nor the Department of Commerce answered the letter.

Vulnerability database programs managed by the federal government have been a point of contention for the cybersecurity community over the past two years. Earlier this year, NIST announced that it has narrowed its priorities for the NVD, focusing only on vulnerabilities in CISA’s KEV catalog, software used by the federal government, and critical software identified under Executive Order 14028.

A similar program that serves as a catalog of known security flaws, the Common Vulnerabilities and Exposures (CVE) list, has had similar issues over the past few years. That program, run by CISA, narrowly escaped a sudden demise when a last-minute, 11-month contract extension averted a shutdown in April 2025. Since then, several competing databases from European nonprofits and other private entities have been stood up in order to better coordinate how vulnerabilities are tracked, disclosed, and ultimately patched.

The inspector general recommended that NIST create a long-term plan for the database, set up a plan to clear the backlog with specific goals, cut back on unnecessary severity score work, make it easier for outside companies to help identify affected products, immediately start working with CISA to stop duplicating work, and develop a plan to communicate better with users.

NIST agreed with all six recommendations and said it is working on them. The agency must submit a plan showing how it will address these problems by late July.

You can read the full report here. 

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The federal agency tasked with analyzing security vulnerabilities is overwhelmed as it and other authorities struggle to keep pace with a flood of defects that grows every year. The National Institute of Standards and Technology announced Wednesday that it has capitulated to that deluge and narrowed the priorities for its National Vulnerability Database.

NIST said it will only prioritize analysis for CVEs that appear in the Cybersecurity and Infrastructure Security Agency’s known exploited vulnerabilities catalog, software used in the federal government and critical software defined under Executive Order 14028.

The federal agency’s goal with the change is to achieve long-term sustainability and stabilize the NVD program, which has encountered previous challenges, notably a funding lapse in early 2024 that forced NIST to temporarily stop providing key metadata for many vulnerabilities in the database.

The agency still hasn’t cleared a backlog of unenriched CVEs that built up during that pause and grew since then. 

NIST said it analyzed nearly 42,000 vulnerabilities last year, adding that CVE submissions surged 263% from 2020 to 2025. “We don’t expect this trend to let up anytime soon. Submissions during the first three months of 2026 are nearly one-third higher than the same period last year,” the agency said in a blog post announcing the change. 

Indeed, vulnerabilities are increasing across the board. For instance, Microsoft addressed 165 vulnerabilities Tuesday, its second-largest monthly batch of defects on record.

NIST said CVEs that don’t fit its more narrow criteria will still be listed in the NVD, but they won’t be automatically enriched with additional details. 

“This will allow us to focus on CVEs with the greatest potential for widespread impact,” the agency said. “While CVEs that do not meet these criteria may have a significant impact on affected systems, they generally do not present the same level of systemic risk as those in the prioritized categories.”

Researchers and threat hunters who analyze vulnerabilities for CVE Numbering Authorities (CNA) and vendors that publish their own assessments view NIST’s new approach as inevitable.

“They had to do something. NIST was woefully behind on classifying CVEs and would likely never have caught up,” Dustin Childs, head of threat awareness at Trend Micro’s Zero Day Initiative, told CyberScoop.

“I’m not sure if it was a herculean task or a sisyphean one, but either way, they were set up for failure under their previous system. This change allows them to prioritize their work,” he added.

NIST’s new approach will impact the vulnerability research community at large, but also put more private companies and organizations in a position to gain more authority as defenders seek out more alternative sources.

Caitlin Condon, vice president of security research at VulnCheck, previously told CyberScoop that prioritization remains a problem, with too many defenders paying attention to vulnerabilities that aren’t worth their time. 

Of the more than 40,000 newly published vulnerabilities that VulnCheck cataloged last year, only 1% of those defects, just 422, were exploited in the wild. 

NIST is also trying to reduce other duplicitous efforts with its new approach, effectively leaning even more on CNAs. CVEs that are submitted with a severity rating will no longer receive a separate CVSS score from NIST, the agency said. 

While the agency remains the ultimate authority providing a government-backed catalog of vulnerability assessments, it acknowledged these changes will affect its users.

“This risk-based approach is necessary to manage the current surge in CVE submissions while we work to align our efforts with the needs of the NVD community,” the agency said. “By evolving the NVD to meet today’s challenges, we can ensure that the database remains a reliable, sustainable and publicly available source of information about cybersecurity vulnerabilities.”

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