CVE-2024-21887 — Security Box Score

CVE · referencelatest edition

Reference page — cumulative record through Wednesday, August 19, 2026 UTC. Reference pages update as the archive grows; only dated daily editions are immutable pages of record.

CVE-2024-21887CRITICAL

Ivanti Connect Secure and Policy Secure

  AV  AC  PR  UI  S  C  I  A   CVSS     EPSS    %ile   KEV
   N   L   H   N  C  H  H  H    9.1   1.0000   100.0   YES

AFFECTED
  Product  Versions  Fixed
  ICS      9.1R18 –  —
  IPS      9.1R18 –  —

TIMELINE
  Jan 3   Reserved by hackerone
  Jan 10  Added to CISA KEV, remediation due 2024-01-22
  Jan 10  Published (CNA: hackerone)
  Aug 4   EXPLOIT PUBLISHED — CVE-2024-21887 (Ivanti ICS). Public exploit reference added.

CWE-77 · CNA: hackerone · CVSS v3.1 · 3 references · NVD status: Analyzed · KEV due January 22, 2024

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.

Lifecycle

Complete event history — 4 events, chronological
Date	Event	Detail
January 3, 2024	Reserved	Reserved by hackerone
January 10, 2024	KEV ADDED	Added to CISA KEV, remediation due 2024-01-22
January 10, 2024	Published	Published (CNA: hackerone)
August 4, 2026	EXPLOIT PUBLISHED	EXPLOIT PUBLISHED — CVE-2024-21887 (Ivanti ICS). Public exploit reference added.

Affected

Affected products and packages — 2 rows
Vendor	Product / Package	Ecosystem	Version introduced	Fixed
Ivanti	ICS	—	9.1R18	—
Ivanti	IPS	—	9.1R18	—

Weaknesses

CWE-77

References (3)

http://packetstormsecurity.com/files/176668/Ivanti-Connect-Secure-Unauthenticated-Remote-Code-Execution.html [Exploit, Third Party Advisory, VDB Entry]
https://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 [Vendor Advisory]
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-21887 [US Government Resource]

Authoritative record: CVE-2024-21887 at cve.org

Vendors: ivanti

Weaknesses: CWE-77

About this page

This is a reference page, not a dated page of record. It assembles the complete lifecycle of CVE-2024-21887 from the CVE Program record, NVD enrichment, the CISA KEV catalog, EPSS, and OSV advisories. The box score's numbers (CVSS, EPSS, KEV status) are current as of Wednesday, August 19, 2026 UTC and are re-derived as the archive grows; only dated daily editions are immutable pages of record. The authoritative source for this identifier is cve.org.