What EVULNABLE says
Listed in the CISA KEV catalog, and Confirmed exploitation in the wild.
Out-of-Band / Urgent Remediation
CVE-2021-22893
Ivanti — Ivanti Pulse Connect Secure Use-After-Free Vulnerability
CISA KEV · in the CISA KEV catalog since 2021-11-03
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 | 10.0 | NVD |
| FIRST EPSS | 0.472 (98.8th pctl) | FIRST |
| Actively exploited | Confirmed | CISA KEV |
| Ransomware campaign use | Known | CISA KEV |
| CISA remediation deadline | 2022-05-03 — Overdue by 4.3 years | CISA KEV |
What CISA says to do
- Reference CISA's ED 21-03 (https://www.cisa.gov/news-events/directives/ed-21-03-mitigate-pulse-connect-secure-product-vulnerabilities) for further guidance and requirements. Note: The due date for addressing this vulnerability aligns with the requirements outlined in ED 21-03. https://nvd.nist.gov/vuln/detail/CVE-2021-22893
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-2021-22893 is one of the entries ranked on the priority feed and in the non-Microsoft advisories.