exploitcvezero-dayvulnerability

Unit 42 — State of Exploit Development

Highlights the critical time gap between exploit availability and CVE disclosure, emphasizing the danger of relying solely on formal vulnerability databases.

Summary

An analysis of 45,450 public exploits reveals that 80% of exploits are published before the associated CVE is officially disclosed, with an average lead time of 23 days. While 14% are zero-days published before a patch exists, 50% of all exploits appear within one month of a patch release. The research found that 94% of public exploits target vulnerabilities with medium or high severity (CVSS >= 4). Furthermore, over 10,000 CVEs have remained in 'reserved' status for more than two years, highlighting significant delays in the formal vulnerability reporting and disclosure process.

Related Checks

VULN_SLOW_REMEDIATION

50% of exploits are published within one month of a patch release, meaning any delay in applying available fixes creates an immediate exploitation window.

Adverse Outcome

exposure to publicly available exploits during the critical window between patch release and local implementation

Because

tracking remediation velocity is essential when the median time between patch availability and public exploit is measured in days, not months.

Gaps Analysis

Evidence

80% of public exploits are published before the CVEs are published... an exploit is published 23 days before the CVE.

Blind Spot

Risk Guard relies on known CVE/vulnerability databases but fails to detect risks from exploits that exist before a CVE is formally published.

Actionable Capability

Risk Guard would be better if it incorporated real-time 'Exploit-in-the-Wild' signals from repositories like Exploit Database that precede CVE publication.

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