Vulnpedia
← All CVEs

CVE-2024-21887

CRITICAL 9.1 KNOWN EXPLOITED RANSOMWARE PoC CATALOGUED DETECTION TEMPLATE ALL-YEARS

Published 2024-01-12 · Last modified 2026-08-04 · hackerone · NVD: Analyzed

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2024-01-10, linked to ransomware campaigns. Patch or mitigate now.

Exploitation likelihood

100.0%chance of exploitation in 30 days · 100th percentile

● In CISA KEV (2024-01-10)● Catalogued PoC◆ SSVC: exploitation active, automatable no

Impact if exploited

9.1CVSS 3.1 · CRITICAL · NVD

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ✓Access: Reachable over the network — no local access needed
  • ⚠Privileges: Requires an admin / high-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Detection templates

Detection checks are listed separately from PoCs.

Resource commands

nuclei -id CVE-2024-21887 -u https://TARGETDetection template — review its checks and affected versions before use.
curl -s https://vulnpedia.com/cve/CVE-2024-21887/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Ivanti

Products Ics Ips Connect Secure Policy Secure

Weakness (CWE)

  • CWE-77: Improper Neutralization of Special Elements used in a Command ('Command Injection')

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References and research data (JSON)

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

8 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

852 more source reports

Known Affected Software Configurations

VendorProductVersion range
IvantiConnect Secure9.0
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure9.1
IvantiConnect Secure22.1
IvantiConnect Secure22.1
IvantiConnect Secure22.2
IvantiConnect Secure22.2
IvantiConnect Secure22.3
IvantiConnect Secure22.4
IvantiConnect Secure22.4
IvantiConnect Secure22.5
IvantiConnect Secure22.6
IvantiConnect Secure22.6
IvantiConnect Secure22.6
IvantiPolicy Secure9.0
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure9.1
IvantiPolicy Secure22.1
IvantiPolicy Secure22.1
IvantiPolicy Secure22.2
IvantiPolicy Secure22.2
IvantiPolicy Secure22.3
IvantiPolicy Secure22.3
IvantiPolicy Secure22.4
IvantiPolicy Secure22.4
IvantiPolicy Secure22.4
IvantiPolicy Secure22.5
IvantiPolicy Secure22.5
IvantiPolicy Secure22.6

All CVSS metrics

  • CRITICAL 9.1 v3.0 · CNA Primary
    CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CRITICAL 9.1 v3.1 · NVD Primary
    CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
  • CRITICAL 9.1 v3.0 · NVD Secondary
    CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

References

Exploit-tagged references (not proof of a PoC)

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS