CVE-2024-21893 — ivanti:policy_secure

What is CVE-2024-21893?

A server-side request forgery vulnerability in the SAML component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) and Ivanti Neurons for ZTA allows an attacker to access certain restricted resources without authentication.

The record classifies CVE-2024-21893 under weakness class CWE-918. Its CVSS v3 base vector states that the flaw is reachable remotely over the network, needs no prior authentication, needs no user interaction, and has high impact on confidentiality. 3 affected-product entries are recorded, across 1 vendor, listed below. The identifier was first published 1002 days ago.

Severity and exploitation probability

CVSS v3.1 base score: 8.2 — HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
EPSS (FIRST): 99.9% probability of exploitation in the next 30 days, higher than 99.9% of all scored CVEs
CISA KEV: Listed since 2024-01-31, federal remediation deadline 2024-02-02 — used in known ransomware campaigns
Threadlinqs priority: 10/10 — CISA lists it as used in ransomware, which Threadlinqs scores at the maximum
Published: 2024-01-31, last modified 2026-08-04

Is CVE-2024-21893 being exploited?

CISA added CVE-2024-21893 to the Known Exploited Vulnerabilities catalog on 2024-01-31, which means the agency holds evidence of exploitation in the wild; US federal civilian agencies had to remediate it by 2024-02-02 under BOD 22-01. CISA flags the vulnerability as one used in known ransomware campaigns. Weaponised exploit code for CVE-2024-21893 is publicly available. 3 public proof-of-concept repositories are tracked for this identifier. A ProjectDiscovery Nuclei detection template exists (http/cves/2024/CVE-2024-21893.yaml). It currently carries a trending score of 50 in the Threadlinqs vulnerability feed.

h4x0r-dz/CVE-2024-21893.py (github)
Chocapikk/CVE-2024-21893-to-CVE-2024-21887 (github)
trickest/cve (trickest)

Affected products and versions

(vendor unspecified): ivanti:policy_secure, ivanti:connect_secure, ivanti:neurons_for_zero-trust_access

How to fix CVE-2024-21893

Because CVE-2024-21893 is KEV-listed, US federal civilian agencies were required to apply the vendor fix, or stop using the product, by 2024-02-02. No vendor patch reference has been recorded for CVE-2024-21893 in the tracked sources. Follow the references below for a fix, and treat the products listed above as exposed until the vendor states otherwise.

Threat activity tracking CVE-2024-21893

2 tracked threats in the Threadlinqs corpus reference CVE-2024-21893, either in the campaign’s CVE list or as an indicator on the campaign record.

DragonForce Ransomware Attack on RubberMill, Inc. — ~340GB Data Exfiltration Including PII, Credentials, CAD Files with Defense Mil-Spec References — CRITICAL · 2026-09-06
APT35 (Charming Kitten) GCC Pre-Positioning Cyber Reconnaissance Campaign Enabling Kinetic Targeting — CRITICAL · 2026-04-09

Sources

Enriched from CVE.org, FIRST EPSS, CISA KEV, public proof-of-concept repositories, ProjectDiscovery Nuclei. Last verified by Threadlinqs on 2026-10-10.