CVE-2024-21888
HighExploitedPublic exploitA 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.
Published Feb 1, 2024 · Updated Dec 16, 2025 · Also known as TR-24-0079
Key Facts
Patch immediately- CVE-2024-21888 is a high-severity vulnerability (CVSS 8.8 v3.1) affecting Connect Secure (Ivanti), Policy Secure (Ivanti), ICS and 1 more product.
- It is exploited in the wild, listed in Industry KEV feed since Feb 29, 2024. Public exploit code is available.
- EPSS estimates a 85% probability of exploitation in the next 30 days.
- No fixed version is listed yet; check the vendor advisory for mitigations.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
85%
Higher than 99.7% of all scored CVEs
Exploited in the wild
Yes
1 catalog listing
Public exploit code
Available
Proof-of-concept or weaponized module
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Description
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| Industry KEV feed | Feb 29, 2024 | n/a | Not reported |
Required action: Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.
Affected Products
108 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Connect SecureIvanti | 21.12-r1, 21.9-r1, 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1 | n/a |
| Policy SecureIvanti | 22.1-r1, 22.1-r6, 22.2-r1, 22.2-r3, 22.3-r1, 22.3-r3, 22.4-r1, 22.4-r2 | n/a |
| ICS | >= 9.1R18 | n/a |
| IPS | >= 9.1R18 | n/a |
Timeline
Publicly disclosed
Feb 1, 2024
Added to Industry KEV feed
Feb 29, 2024
Last updated
Dec 16, 2025
Weakness Type
- CWE-269 Improper Privilege Management
References
- advisoryhttps://forums.ivanti.com/s/article/CVE-2024-21888-Privilege-Escalation-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure?language=en_US
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-21888
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2024-21893
- advisoryUSOM advisory
- exploitVulnCheck exploitation report
FAQ
Common Questions.
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: Connect Secure (Ivanti) versions 21.12-r1, 21.9-r1, 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1; Policy Secure (Ivanti) versions 22.1-r1, 22.1-r6, 22.2-r1, 22.2-r3, 22.3-r1, 22.3-r3, 22.4-r1, 22.4-r2; ICS versions >= 9.1R18, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in Industry KEV feed since Feb 29, 2024.
No, it is not currently listed in the CISA Known Exploited Vulnerabilities catalog.
Public exploit code is available.
No fixed version is listed yet; check the vendor advisory for mitigations.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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