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CVE-2024-21887VulnerabilityPublished Updated

CVE-2024-21887: Ivanti ICS · Command Injection

Affects Ivanti ICSSource CVE Database V5

0

Exploited in the wild · used in ransomware campaigns · KEV due 22 Jan 2024 · public exploit available (Metasploit) · 99% EPSS : apply the vendor's fix or mitigations to Ivanti ICS now.

Data as of 25 Oct 2026, 19:02 UTC

CVSS 3.0 base score
9.1Critical
How severe the flaw is on the 0–10 CVSS scale.
KEV deadline
 US federal agencies must patch by this date; a sensible deadline for everyone else.
Ransomware
Used in ransomware campaigns
EPSS
99.9% chance of exploitation in 30 days – higher than 99% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Exploitation evidence

t = 0 is the CVE’s publication on cve.org

  1. Disclosed: evidence found.

    CVE published 12 Jan 2024

  2. Weaponised: evidence found.

    2 Metasploit modules

  3. Exploited in the wild: evidence found.

    Listed in CISA KEV 2 days before disclosure

  4. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

Timeline

  1. CVE ID reserved

    by hackerone

    , 9 days before disclosure

  2. Added to CISA KEV (opens in a new tab)

    exploitation confirmed · ransomware use known

    , 2 days before disclosure

  3. CVE published

    on cve.org

    , t = 0

  4. KEV remediation due

    US federal deadline

    , 10 days after disclosure

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), CISA KEV (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-25.

What to do

Affected software

ProductAffectedFixed in
Ivanti ICSAffected
  • =22.6
  • 9.1R18
  • 22.6R2
Fixed in–

Check the firmware or software version for Ivanti ICS in the device's admin interface against the vendor advisory.

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.

References

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