What EVULNABLE says
Listed in the CISA KEV catalog, and an EPSS probability of 0.829.
Patch This Cycle
CVE-2024-42009
Roundcube — RoundCube Webmail Cross-Site Scripting Vulnerability
CISA KEV · in the CISA KEV catalog since 2025-06-09
The priority band answers “how soon”, not “how bad” — see Methodology for what it weighs and where it abstains.
The evidence behind it
| Measure | Value | Source |
|---|---|---|
| CVSS base score | 9.3 | NVD |
| FIRST EPSS | 0.829 (99.65th pctl) | FIRST |
| Actively exploited | Confirmed | CISA KEV |
| Ransomware campaign use | Unknown or none | CISA KEV |
| CISA remediation deadline | 2025-06-30 — Overdue by 14 months | CISA KEV |
What CISA says to do
The primary records
This page is an opinion about urgency. Where it and a source of record disagree, the source of record is the record.
Where this sits
CVE-2024-42009 is one of the entries ranked on the priority feed and in the non-Microsoft advisories.