CVE-2024-21893

Ivanti Connect Secure, Policy Secure, and Neurons Server-Side Request Forgery (SSRF) Vulnerability

  • High 8.2
  • Exploited: added to CISA KEV 31 Jan 2024
  • Used in ransomware campaigns

Description

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.

Key facts

Published
31 Jan 2024
Last changed
4 Aug 2026
Assigned by
hackerone
KEV added
31 Jan 2024
KEV fix due
2 Feb 2024
Used in ransomware
Yes, according to CISA
EPSS
99.999% likely to be exploited in the next 30 days, higher than 99.999% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: yes; Technical impact: partial

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 8.2CVSS 3.0, Highfrom the CNA (hackerone)CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

What to do

  • Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
IvantiICS
  • Default status: unaffected
  • 9.1R18 up to and including 9.1R18 (affected)
  • 22.6R2 up to and including 22.6R2 (affected)
IvantiIPS
  • Default status: unaffected
  • 9.1R18 up to and including 9.1R18 (affected)
  • 22.6R1 up to and including 22.6R1 (affected)

Timeline

  1. 31 Jan 2024 CVE-2024-21893 added to CISA KEV
  2. 31 Jan 2024 Added to the CISA KEV catalogue
  3. 31 Jan 2024 Published

Weakness

Practice this bug class

HackZoneLabs has a hands-on lab on SSRF (CWE-918).

References