CVE-2024-21888
ENISA EUVD: EUVD-2024-19499 ↗
✓ Confirmed 0-Day
Triaged: March 5, 2026
5 articles
Published: 2024-01-31
EPSS Score
Source: FIRST.org · 2026-05-24
61.26%
probability
This CVE has a 61.26% probability
of being exploited in the next 30 days.
0%
Top 98.3th percentile of all CVEs
100%
CVSS v3.0
Source: VulnerabilityLookup (CIRCL)8.8
HIGH
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Description
VulnerabilityLookup (CNA)A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.
Affected Products
Ivanti
ICS
9.1R18
22.6R2
Ivanti
IPS
9.1R18
22.6R1
Signal Intelligence
Confidence
92%
EPSS
61.26%
CVSS v3.0
8.8
Mentions
5
Last Seen
Feb 09, 2024
CNA Information
CNA Assigner
hackerone
Analyst Note
CVE-2024-21888 is explicitly named as a zero-day exploited in attacks in the BleepingComputer article from January 2024. The CVE was published on 2024-01-31 and Ivanti's warning of active exploitation was concurrent with disclosure, meeting the zero-day criteria of exploitation before or simultaneous with patch availability.
Threat Actors 4
Triage Info
Decided atMar 05, 2026
Published DateJan 31, 2024