CVE-2024-21887

Ivanti Connect Secure and Policy Secure: Command Injection

As of , CVE-2024-21887 in Ivanti Connect Secure and Policy Secure is on CISA's list of exploited vulnerabilities: CISA listed it on . Our patch-first group: Patch this week.

Exploited
Yes: CISA listed it on 10 January 2024
US federal deadline
22 January 202412 days after CISA listed it. US federal civilian agencies must fix it by then.
Used in ransomware campaigns
KnownCISA changed it from Unknown to Known on 8 October 2025.
EPSS score
0.99Higher than 99% of the CVEs EPSS scores. EPSS estimates the chance of exploitation activity in the next 30 days.
EPSS when listed
No score that dayThe EPSS file of the day CISA listed it has no score for it.
Public exploit
2 Metasploit modules
Fix
Vendor advice: forums.ivanti.comLinks below, from CISA's entry.

What CISA says to do

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

CISA's required action

  • forums.ivanti.comPlease apply mitigations per vendor instructions. For more information, please see

What the flaw is

Ivanti Connect Secure (ICS, formerly known as Pulse Connect Secure) and Ivanti Policy Secure contain a command injection vulnerability in the web components of these products, which can allow an authenticated administrator to send crafted requests to execute code on affected appliances. This vulnerability can be leveraged in conjunction with CVE-2023-46805, an authenticated bypass issue.

CISA's 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.

The CVE record's description, from hackerone

CVE published
12 January 2024
Assigned by
hackerone
CVSS
9.1 Critical (CVSS 3.0, from the CNA)
CWE-77
Improper Neutralization of Special Elements used in a Command ('Command Injection')
CISA SSVC, exploitation
active
CISA SSVC, automatable
no
CISA SSVC, technical impact
total

Timeline

  1. CISA added it to its list of exploited vulnerabilities.
  2. The CVE record was published.
  3. The US federal deadline to fix it.
  4. CISA changed its entry. Ransomware use: Unknown to Known.

Public exploits

Facts from Metasploit's module list and Exploit-DB's index; we never copy exploit code.

  • Metasploit: Ivanti Connect Secure Unauthenticated Remote Code Executionexploit module, rank excellent
  • Metasploit: Ivanti Connect Secure Unauthenticated Remote Code Executionexploit module, rank excellent

Connect Secure and Policy Secure: other exploited entries

VulnerabilityProductOur groupListedDeadlineEPSS
CVE-2023-46805Authentication BypassIvanti Connect Secure and Policy SecurePatch this weekRansomware use; Metasploit module; EPSS 0.990.99

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