CVE-2024-21888

critical

Description

A privilege escalation vulnerability in web component of Ivanti Connect Secure (9.x, 22.x) and Ivanti Policy Secure (9.x, 22.x) allows a user to elevate privileges to that of an administrator.

From the Tenable Blog

CVE-2023-46805, CVE-2024-21887, CVE-2024-21888 and CVE-2024-21893: Frequently Asked Questions for Vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways

CVE-2023-46805, CVE-2024-21887, CVE-2024-21888 and CVE-2024-21893: Frequently Asked Questions for Vulnerabilities in Ivanti Connect Secure and Policy Secure Gateways

Published: 2024-01-31

Frequently asked questions for five CVEs affecting Ivanti Connect Secure and Policy Secure Gateways, with three of the vulnerabilities having been exploited in the wild as zero-days.

References

https://securelist.com/vulnerability-report-q1-2024/112554/

https://www.bleepingcomputer.com/news/security/magnet-goblin-hackers-use-1-day-flaws-to-drop-custom-linux-malware/

https://research.checkpoint.com/2024/magnet-goblin-targets-publicly-facing-servers-using-1-day-vulnerabilities/

https://www.bleepingcomputer.com/news/security/ivanti-warns-of-new-connect-secure-zero-day-exploited-in-attacks/

https://www.tenable.com/blog/cve-2025-0282-ivanti-connect-secure-zero-day-vulnerability-exploited-in-the-wild

https://www.tenable.com/blog/cve-2023-46805-cve-2024-21887-cve-2024-21888-and-cve-2024-21893-frequently-asked-questions

https://github.com/seajaysec/Ivanti-Connect-Around-Scan

https://forums.ivanti.com/s/article/CVE-2024-21888-Privilege-Escalation-for-Ivanti-Connect-Secure-and-Ivanti-Policy-Secure?language=en_US

https://euvd.enisa.europa.eu/vulnerability/EUVD-2024-19499

Details

Source: Mitre, NVD

Published: 2024-01-31

Updated: 2025-06-03

Risk Information

CVSS v2

Base Score: 9

Vector: CVSS2#AV:N/AC:L/Au:S/C:C/I:C/A:C

Severity: High

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

CVSS v4

Base Score: 9.4

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H

Severity: Critical

EPSS

EPSS: 0.85418