CISA KEV · Known exploitedHigh

CVE-2024-21893

Ivanti ICS, IPS, connect_secure

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.

CVSS: 8.2
EPSS: 100.0%
CISA KEV: Listed
Published: 2024.02.01

PRIORITY ASSESSMENT

Immediate review

CISA has listed this vulnerability in the Known Exploited Vulnerabilities catalog.

Known exploitationConfirmed by CISA KEV

Exploit probability100.0%

Technical severityCVSS 8.2

Vulnerability overview

Affected product and versions

Product: Ivanti ICS, IPS, connect_secure
Affected versions: >= 9.1R18 <= 9.1R18, >= 22.6R2 <= 22.6R2, >= 22.6R1 <= 22.6R1, >= 9.0, >= 22.6, >= 22.3, >= 22.5, >= 22.4, >= 22.1, >= 22.2, >= 9.1, >= 21.9, >= 21.12, 9.0, 9.1, 21.9, 21.12, 22.1, 22.2, 22.3
Fixed versions: No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide

CISA required action

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

Due date: 2024.02.02

1
Identify
Confirm that Ivanti ICS, IPS, connect_secure and an affected version are present.
2
Prioritize
Combine exploitation signals with asset exposure and business criticality.
3
Remediate
Follow the vendor advisory or supported update path and preserve rollback options.
4
Verify
Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N
CWE: CWE-918
KEV added: 2024.01.31
Ransomware use: 확인됨