How severe is CVE-2024-21887?

CVE-2024-21887 has a CVSS 3.0 base score of 9.1 (CRITICAL). EPSS estimates a 100.0% probability of exploitation in the next 30 days. It is listed in the CISA Known Exploited Vulnerabilities catalog.

CVE-2024-21887: Ivanti Connect Secure and Policy Secure Command

CISA Known Exploited Vulnerabilities

Ivanti Connect Secure and Policy Secure Command Injection Vulnerability is confirmed as actively exploited and is listed in the CISA KEV catalog.

Added to KEV

2024-01-10

Remediation due

2024-01-22

Ransomware

Known use

Required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

CISA notes
Please apply mitigations per vendor instructions. For more information, please see: https://forums.ivanti.com/s/article/KB-CVE-2023-46805-Authentication-Bypass-CVE-2024-21887-Command-Injection-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure-Gateways?language=en_US ; https://nvd.nist.gov/vuln/detail/CVE-2024-21887

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.

Severity

CVSS 3.0 · CNA9.1 CRITICAL

CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

SSVC · CISA-ADP

Exploitationactive

Automatableno

Technical impacttotal

Affected Products

Vendor	Product	Affected versions
Ivanti	ICS	9.1R18 to 9.1R18 22.6R2 to 22.6R2
Ivanti	IPS	9.1R18 to 9.1R18 22.6R1 to 22.6R1

References

2 Links

Other references

Record Details

Published

2024-01-12

Last updated

2026-08-04

Assigner (CNA)

hackerone

Credited to

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CVE record data © The MITRE Corporation, used under the CVE Terms of Use. Exploited-in-the-wild data from the CISA Known Exploited Vulnerabilities catalog (CC0). Exploit prediction scores by FIRST EPSS (first.org/epss). This site is not endorsed or certified by MITRE, NVD, CISA, or FIRST.