CVE-2024-21887
CriticalExploitedPublic exploitA command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.
Published Jan 11, 2024 · Updated Aug 4, 2026
Key Facts
Patch immediately- CVE-2024-21887 is a critical-severity vulnerability (CVSS 9.1 v3.1) affecting Connect Secure (Ivanti), Policy Secure (Ivanti), ICS and 1 more product.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 10, 2024 and is known to be used in ransomware campaigns. Public exploit code is available.
- EPSS estimates a 100% 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
9.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
100%
Higher than 99.9% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings, used by ransomware
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2024-21887 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
Description
A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Jan 10, 2024 | Jan 22, 2024 | Known |
| Industry KEV feed | Jan 10, 2024 | Jan 22, 2024 | Known |
| CIRCL KEV | Jan 10, 2024 | Jan 22, 2024 | Known |
| ENISA EUVD | Jan 10, 2024 | n/a | Not reported |
Required action: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Affected Products
83 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| Connect SecureIvanti | 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1, 22.4-r2.1, 22.5-r2.1 | 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
Added to CISA KEV
Jan 10, 2024
Added to Industry KEV feed
Jan 10, 2024
Added to CIRCL KEV
Jan 10, 2024
Added to ENISA EUVD
Jan 10, 2024
Publicly disclosed
Jan 11, 2024
Last updated
Aug 4, 2026
Weakness Type
- CWE-77 Improper Neutralization of Special Elements used in a Command ('Command Injection')
References
- advisoryhttps://forums.ivanti.com/s/article/CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US
- advisoryhttps://www.itsecuritynews.info/ivanti-releases-security-update-for-connect-secure-and-policy-secure-gateways/
- advisoryUSOM advisory
- exploithttp://packetstormsecurity.com/files/176668/Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Execution.html
- exploitVulnCheck exploitation report
FAQ
Common Questions.
A command injection vulnerability in web components of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows an authenticated administrator to send specially crafted requests and execute arbitrary commands on the appliance.
Affected: Connect Secure (Ivanti) versions 22.1-r1, 22.1-r6, 22.2, 22.2-r1, 22.3-r1, 22.4-r1, 22.4-r2.1, 22.5-r2.1; 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 CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Jan 10, 2024 and is known to be used in ransomware campaigns.
Yes. It was added on Jan 10, 2024 with a federal remediation due date of Jan 22, 2024.
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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